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86238970 = 258623897
BaseRepresentation
bin1010010001111…
…10011011111010
320000021101121221
411020332123322
5134034121340
612320222254
72065006366
oct510763372
9200241557
1086238970
1144752684
1224a6a98a
1314b3609c
14b64c2a6
15788744a
hex523e6fa

86238970 has 8 divisors (see below), whose sum is σ = 155230164. Its totient is φ = 34495584.

The previous prime is 86238941. The next prime is 86238991. The reversal of 86238970 is 7983268.

It can be written as a sum of positive squares in 2 ways, for example, as 86099841 + 139129 = 9279^2 + 373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4311939 + ... + 4311958.

Almost surely, 286238970 is an apocalyptic number.

86238970 is a deficient number, since it is larger than the sum of its proper divisors (68991194).

86238970 is a wasteful number, since it uses less digits than its factorization.

86238970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8623904.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 86238970 is about 9286.4939562787. The cubic root of 86238970 is about 441.8089610734.

The spelling of 86238970 in words is "eighty-six million, two hundred thirty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 8623897 17247794 43119485 86238970