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206151000 = 23353116247
BaseRepresentation
bin11000100100110…
…01110101011000
3112100220120000020
430102121311120
5410233313000
632242310440
75052153216
oct1422316530
9470816006
10206151000
11a6404330
1259058420
133392bc53
141d543cb6
1513171ba0
hexc499d58

206151000 has 128 divisors (see below), whose sum is σ = 701775360. Its totient is φ = 49968000.

The previous prime is 206150983. The next prime is 206151017. The reversal of 206151000 is 151602.

It is an interprime number because it is at equal distance from previous prime (206150983) and next prime (206151017).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29877 + ... + 36123.

It is an arithmetic number, because the mean of its divisors is an integer number (5482620).

Almost surely, 2206151000 is an apocalyptic number.

206151000 is a gapful number since it is divisible by the number (20) 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 206151000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350887680).

206151000 is an abundant number, since it is smaller than the sum of its proper divisors (495624360).

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

206151000 is a wasteful number, since it uses less digits than its factorization.

206151000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6282 (or 6268 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 206151000 is about 14357.9594650493. The cubic root of 206151000 is about 590.7383268444.

The spelling of 206151000 in words is "two hundred six million, one hundred fifty-one thousand".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 25 30 33 40 44 50 55 60 66 75 88 100 110 120 125 132 150 165 200 220 250 264 275 300 330 375 440 500 550 600 660 750 825 1000 1100 1320 1375 1500 1650 2200 2750 3000 3300 4125 5500 6247 6600 8250 11000 12494 16500 18741 24988 31235 33000 37482 49976 62470 68717 74964 93705 124940 137434 149928 156175 187410 206151 249880 274868 312350 343585 374820 412302 468525 549736 624700 687170 749640 780875 824604 937050 1030755 1249400 1374340 1561750 1649208 1717925 1874100 2061510 2342625 2748680 3123500 3435850 3748200 4123020 4685250 5153775 6247000 6871700 8246040 8589625 9370500 10307550 13743400 17179250 18741000 20615100 25768875 34358500 41230200 51537750 68717000 103075500 206151000