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13002000 = 2435311197
BaseRepresentation
bin110001100110…
…010100010000
3220110120101120
4301212110100
511312031000
61142402240
7215341464
oct61462420
926416346
1013002000
117380660
124430380
1329030bb
141a264a4
15121c6a0
hexc66510

13002000 has 160 divisors (see below), whose sum is σ = 45961344. Its totient is φ = 3136000.

The previous prime is 13001993. The next prime is 13002019. The reversal of 13002000 is 20031.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13002000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65902 + ... + 66098.

Almost surely, 213002000 is an apocalyptic number.

13002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22980672).

13002000 is an abundant number, since it is smaller than the sum of its proper divisors (32959344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13002000 is a wasteful number, since it uses less digits than its factorization.

13002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 13002000 is about 3605.8286148956. The cubic root of 13002000 is about 235.1455262804.

Adding to 13002000 its reverse (20031), we get a palindrome (13022031).

The spelling of 13002000 in words is "thirteen million, two thousand".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 33 40 44 48 50 55 60 66 75 80 88 100 110 120 125 132 150 165 176 197 200 220 240 250 264 275 300 330 375 394 400 440 500 528 550 591 600 660 750 788 825 880 985 1000 1100 1182 1200 1320 1375 1500 1576 1650 1970 2000 2167 2200 2364 2640 2750 2955 3000 3152 3300 3940 4125 4334 4400 4728 4925 5500 5910 6000 6501 6600 7880 8250 8668 9456 9850 10835 11000 11820 13002 13200 14775 15760 16500 17336 19700 21670 22000 23640 24625 26004 29550 32505 33000 34672 39400 43340 47280 49250 52008 54175 59100 65010 66000 73875 78800 86680 98500 104016 108350 118200 130020 147750 162525 173360 197000 216700 236400 260040 270875 295500 325050 394000 433400 520080 541750 591000 650100 812625 866800 1083500 1182000 1300200 1625250 2167000 2600400 3250500 4334000 6501000 13002000