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525628 = 22331397
BaseRepresentation
bin10000000010100111100
3222201000201
42000110330
5113310003
615133244
74316305
oct2002474
9881021
10525628
11329a04
12214224
1315532c
14d97ac
15a5b1d
hex8053c

525628 has 12 divisors (see below), whose sum is σ = 924952. Its totient is φ = 261360.

The previous prime is 525607. The next prime is 525641. The reversal of 525628 is 826525.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 525596 and 525605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126 + ... + 1522.

2525628 is an apocalyptic number.

It is an amenable number.

525628 is a deficient number, since it is larger than the sum of its proper divisors (399324).

525628 is a wasteful number, since it uses less digits than its factorization.

525628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 730 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 525628 is about 725.0020689626. The cubic root of 525628 is about 80.7035856171.

The spelling of 525628 in words is "five hundred twenty-five thousand, six hundred twenty-eight".

Divisors: 1 2 4 331 397 662 794 1324 1588 131407 262814 525628