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86710673 = 712387239
BaseRepresentation
bin1010010101100…
…01100110010001
320001011100200102
411022301212101
5134144220143
612334302145
72102012540
oct512614621
9201140612
1086710673
1144a45015
1225057955
1314c6c9ba
14b732157
15792c0b8
hex52b1991

86710673 has 4 divisors (see below), whose sum is σ = 99097920. Its totient is φ = 74323428.

The previous prime is 86710669. The next prime is 86710691. The reversal of 86710673 is 37601768.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86710673 - 22 = 86710669 is a prime.

It is a super-2 number, since 2×867106732 = 15037481624225858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86710633) 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, 6193613 + ... + 6193626.

It is an arithmetic number, because the mean of its divisors is an integer number (24774480).

Almost surely, 286710673 is an apocalyptic number.

It is an amenable number.

86710673 is a deficient number, since it is larger than the sum of its proper divisors (12387247).

86710673 is a wasteful number, since it uses less digits than its factorization.

86710673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12387246.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 86710673 is about 9311.8565817994. The cubic root of 86710673 is about 442.6130205948.

The spelling of 86710673 in words is "eighty-six million, seven hundred ten thousand, six hundred seventy-three".

Divisors: 1 7 12387239 86710673