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56691084 = 22319723981
BaseRepresentation
bin1101100001000…
…0100110001100
310221200012112210
43120100212030
5104003103314
65343030420
71255603062
oct330204614
9127605483
1056691084
112a00093a
1216b9b410
13b98bb28
14775a032
154e9c559
hex361098c

56691084 has 24 divisors (see below), whose sum is σ = 132956208. Its totient is φ = 18800320.

The previous prime is 56691077. The next prime is 56691091. The reversal of 56691084 is 48019665.

56691084 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56691077) and next prime (56691091).

56691084 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9627 + ... + 14354.

It is an arithmetic number, because the mean of its divisors is an integer number (5539842).

Almost surely, 256691084 is an apocalyptic number.

It is an amenable number.

56691084 is an abundant number, since it is smaller than the sum of its proper divisors (76265124).

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

56691084 is a wasteful number, since it uses less digits than its factorization.

56691084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24185 (or 24183 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 56691084 is about 7529.3481789595. The cubic root of 56691084 is about 384.1536115027.

The spelling of 56691084 in words is "fifty-six million, six hundred ninety-one thousand, eighty-four".

Divisors: 1 2 3 4 6 12 197 394 591 788 1182 2364 23981 47962 71943 95924 143886 287772 4724257 9448514 14172771 18897028 28345542 56691084