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525668 = 221113919
BaseRepresentation
bin10000000010101100100
3222201002012
42000111210
5113310133
615133352
74316363
oct2002544
9881065
10525668
11329a40
12214258
13155360
14d97da
15a5b48
hex80564

525668 has 24 divisors (see below), whose sum is σ = 1081920. Its totient is φ = 220320.

The previous prime is 525649. The next prime is 525671. The reversal of 525668 is 866525.

It is a happy number.

It is an unprimeable number.

525668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (45080).

2525668 is an apocalyptic number.

It is an amenable number.

525668 is an abundant number, since it is smaller than the sum of its proper divisors (556252).

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

525668 is a wasteful number, since it uses less digits than its factorization.

525668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 945 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 525668 is about 725.0296545659. The cubic root of 525668 is about 80.7056327313.

The spelling of 525668 in words is "five hundred twenty-five thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 919 1838 3676 10109 11947 20218 23894 40436 47788 131417 262834 525668