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1342800 = 243252373
BaseRepresentation
bin101000111110101010000
32112012222100
411013311100
5320432200
644440400
714261604
oct5076520
92465870
101342800
11837958
12549100
13380274
1426d504
151b7d00
hex147d50

1342800 has 90 divisors (see below), whose sum is σ = 4672382. Its totient is φ = 357120.

The previous prime is 1342799. The next prime is 1342801. The reversal of 1342800 is 82431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1342799) and next prime (1342801).

It can be written as a sum of positive squares in 3 ways, for example, as 97344 + 1245456 = 312^2 + 1116^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a super-2 number, since 2×13428002 = 3606223680000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342801) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3414 + ... + 3786.

21342800 is an apocalyptic number.

1342800 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 1342800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2336191).

1342800 is an abundant number, since it is smaller than the sum of its proper divisors (3329582).

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

1342800 is a wasteful number, since it uses less digits than its factorization.

1342800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1342800 is about 1158.7924749497. The cubic root of 1342800 is about 110.3241129399.

The spelling of 1342800 in words is "one million, three hundred forty-two thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 144 150 180 200 225 240 300 360 373 400 450 600 720 746 900 1119 1200 1492 1800 1865 2238 2984 3357 3600 3730 4476 5595 5968 6714 7460 8952 9325 11190 13428 14920 16785 17904 18650 22380 26856 27975 29840 33570 37300 44760 53712 55950 67140 74600 83925 89520 111900 134280 149200 167850 223800 268560 335700 447600 671400 1342800