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527988 = 223231913
BaseRepresentation
bin10000000111001110100
3222211021010
42000321310
5113343423
615152220
74326216
oct2007164
9884233
10527988
1133075a
12215670
13156426
14da5b6
15a6693
hex80e74

527988 has 24 divisors (see below), whose sum is σ = 1286208. Its totient is φ = 168256.

The previous prime is 527987. The next prime is 527993. The reversal of 527988 is 889725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (53592).

2527988 is an apocalyptic number.

It is an amenable number.

527988 is an abundant number, since it is smaller than the sum of its proper divisors (758220).

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

527988 is a wasteful number, since it uses less digits than its factorization.

527988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943 (or 1941 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 527988 is about 726.6278277082. The cubic root of 527988 is about 80.8241880987.

The spelling of 527988 in words is "five hundred twenty-seven thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 1913 3826 5739 7652 11478 22956 43999 87998 131997 175996 263994 527988