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65868372 = 223213113967
BaseRepresentation
bin1111101101000…
…1001001010100
311120221110102100
43323101021110
5113330241442
610311442100
71426605033
oct373211124
9146843370
1065868372
11341a9979
121a086330
131085308b
148a6871a
155bb184c
hex3ed1254

65868372 has 36 divisors (see below), whose sum is σ = 167783616. Its totient is φ = 21786960.

The previous prime is 65868359. The next prime is 65868377. The reversal of 65868372 is 27386856.

65868372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65868377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2268 + ... + 11699.

It is an arithmetic number, because the mean of its divisors is an integer number (4660656).

Almost surely, 265868372 is an apocalyptic number.

It is an amenable number.

65868372 is an abundant number, since it is smaller than the sum of its proper divisors (101915244).

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

65868372 is a wasteful number, since it uses less digits than its factorization.

65868372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14108 (or 14103 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 65868372 is about 8115.9332180594. The cubic root of 65868372 is about 403.8551665262.

The spelling of 65868372 in words is "sixty-five million, eight hundred sixty-eight thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 131 262 393 524 786 1179 1572 2358 4716 13967 27934 41901 55868 83802 125703 167604 251406 502812 1829677 3659354 5489031 7318708 10978062 16467093 21956124 32934186 65868372