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70616065 = 5131957179
BaseRepresentation
bin1000011010110…
…00010000000001
311220212200000211
410031120100001
5121034203230
611001314121
71515140512
oct415302001
9156780024
1070616065
1136951993
121b795941
1311826070
149542a09
1562ed42a
hex4358401

70616065 has 16 divisors (see below), whose sum is σ = 96062400. Its totient is φ = 49401792.

The previous prime is 70616033. The next prime is 70616081. The reversal of 70616065 is 56061607.

It is a cyclic number.

It is not a de Polignac number, because 70616065 - 25 = 70616033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27355 + ... + 29824.

It is an arithmetic number, because the mean of its divisors is an integer number (6003900).

Almost surely, 270616065 is an apocalyptic number.

It is an amenable number.

70616065 is a deficient number, since it is larger than the sum of its proper divisors (25446335).

70616065 is a wasteful number, since it uses less digits than its factorization.

70616065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57216.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 70616065 is about 8403.3365397323. The cubic root of 70616065 is about 413.3340382547.

The spelling of 70616065 in words is "seventy million, six hundred sixteen thousand, sixty-five".

Divisors: 1 5 13 19 65 95 247 1235 57179 285895 743327 1086401 3716635 5432005 14123213 70616065