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525427572 = 22343785631
BaseRepresentation
bin11111010100010…
…110001101110100
31100121200111010110
4133110112031310
52034002140242
6124045423020
716010026545
oct3724261564
91317614113
10525427572
1124a65456a
12127b6aa70
1384b18ab7
144dad44cc
15311dc39c
hex1f516374

525427572 has 12 divisors (see below), whose sum is σ = 1225997696. Its totient is φ = 175142520.

The previous prime is 525427561. The next prime is 525427579. The reversal of 525427572 is 275724525.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 525427572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525427579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21892804 + ... + 21892827.

Almost surely, 2525427572 is an apocalyptic number.

It is an amenable number.

525427572 is an abundant number, since it is smaller than the sum of its proper divisors (700570124).

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

525427572 is a wasteful number, since it uses less digits than its factorization.

525427572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43785638 (or 43785636 counting only the distinct ones).

The product of its digits is 196000, while the sum is 39.

The square root of 525427572 is about 22922.2069618089. The cubic root of 525427572 is about 806.9332657803.

The spelling of 525427572 in words is "five hundred twenty-five million, four hundred twenty-seven thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 43785631 87571262 131356893 175142524 262713786 525427572