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89364931 = 711258661
BaseRepresentation
bin1010101001110…
…01100111000011
320020011012122021
411110321213003
5140334134211
612511222311
72133406105
oct524714703
9206135567
1089364931
1146498217
1225b17997
131568bb76
14bc23575
157ca3771
hex55399c3

89364931 has 4 divisors (see below), whose sum is σ = 90623664. Its totient is φ = 88106200.

The previous prime is 89364893. The next prime is 89364941. The reversal of 89364931 is 13946398.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89364931 - 211 = 89362883 is a prime.

It is a super-2 number, since 2×893649312 = 15972181785269522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89364941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629260 + ... + 629401.

It is an arithmetic number, because the mean of its divisors is an integer number (22655916).

Almost surely, 289364931 is an apocalyptic number.

89364931 is a deficient number, since it is larger than the sum of its proper divisors (1258733).

89364931 is a wasteful number, since it uses less digits than its factorization.

89364931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258732.

The product of its digits is 139968, while the sum is 43.

The square root of 89364931 is about 9453.3026503968. The cubic root of 89364931 is about 447.0839110640.

The spelling of 89364931 in words is "eighty-nine million, three hundred sixty-four thousand, nine hundred thirty-one".

Divisors: 1 71 1258661 89364931