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632868 = 223232293
BaseRepresentation
bin10011010100000100100
31012011010120
42122200210
5130222433
621321540
75244045
oct2324044
91164116
10632868
113a2535
122662b0
131920a2
141268cc
15c77b3
hex9a824

632868 has 24 divisors (see below), whose sum is σ = 1541568. Its totient is φ = 201696.

The previous prime is 632857. The next prime is 632881. The reversal of 632868 is 868236.

It is an Ulam number.

It is a plaindrome in base 14.

It is an unprimeable number.

632868 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 871 + ... + 1422.

It is an arithmetic number, because the mean of its divisors is an integer number (64232).

2632868 is an apocalyptic number.

It is an amenable number.

632868 is an abundant number, since it is smaller than the sum of its proper divisors (908700).

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

632868 is a wasteful number, since it uses less digits than its factorization.

632868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323 (or 2321 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 632868 is about 795.5300120046. The cubic root of 632868 is about 85.8560780101.

The spelling of 632868 in words is "six hundred thirty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 2293 4586 6879 9172 13758 27516 52739 105478 158217 210956 316434 632868