Search a number
-
+
525500528 = 2474691969
BaseRepresentation
bin11111010100101…
…000000001110000
31100121211012012112
4133110220001300
52034012004103
6124051144452
716010452340
oct3724500160
91317735175
10525500528
1124a6a4363
12127ba5128
1384b43077
144db12d20
1531203cd8
hex1f528070

525500528 has 20 divisors (see below), whose sum is σ = 1163608560. Its totient is φ = 225214464.

The previous prime is 525500477. The next prime is 525500531. The reversal of 525500528 is 825005525.

It is a junction number, because it is equal to n+sod(n) for n = 525500494 and 525500503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345873 + ... + 2346096.

It is an arithmetic number, because the mean of its divisors is an integer number (58180428).

Almost surely, 2525500528 is an apocalyptic number.

It is an amenable number.

525500528 is an abundant number, since it is smaller than the sum of its proper divisors (638108032).

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

525500528 is a wasteful number, since it uses less digits than its factorization.

525500528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691984 (or 4691978 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 525500528 is about 22923.7982891143. The cubic root of 525500528 is about 806.9706118085.

The spelling of 525500528 in words is "five hundred twenty-five million, five hundred thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 4691969 9383938 18767876 32843783 37535752 65687566 75071504 131375132 262750264 525500528