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525872 = 24231429
BaseRepresentation
bin10000000011000110000
3222201100202
42000120300
5113311442
615134332
74320104
oct2003060
9881322
10525872
1132a106
122143a8
13155489
14d9904
15a5c32
hex80630

525872 has 20 divisors (see below), whose sum is σ = 1063920. Its totient is φ = 251328.

The previous prime is 525871. The next prime is 525887. The reversal of 525872 is 278525.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (525871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347 + ... + 1082.

It is an arithmetic number, because the mean of its divisors is an integer number (53196).

2525872 is an apocalyptic number.

It is an amenable number.

525872 is an abundant number, since it is smaller than the sum of its proper divisors (538048).

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

525872 is a wasteful number, since it uses less digits than its factorization.

525872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 1454 counting only the distinct ones).

The product of its digits is 5600, while the sum is 29.

The square root of 525872 is about 725.1703248203. The cubic root of 525872 is about 80.7160713984.

The spelling of 525872 in words is "five hundred twenty-five thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 1429 2858 5716 11432 22864 32867 65734 131468 262936 525872