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86279713 = 1310960889
BaseRepresentation
bin1010010010010…
…00011000100001
320000100110111221
411021020120201
5134041422323
612321135041
72065236232
oct511103041
9200313457
1086279713
1144780253
1224a8a481
1314b4b7b0
14b65d089
15789455d
hex5248621

86279713 has 8 divisors (see below), whose sum is σ = 93770600. Its totient is φ = 78910848.

The previous prime is 86279689. The next prime is 86279731. The reversal of 86279713 is 31797268.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12769 + 86266944 = 113^2 + 9288^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86279713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86279713.

It is not an unprimeable number, because it can be changed into a prime (86279773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29028 + ... + 31861.

It is an arithmetic number, because the mean of its divisors is an integer number (11721325).

Almost surely, 286279713 is an apocalyptic number.

It is an amenable number.

86279713 is a deficient number, since it is larger than the sum of its proper divisors (7490887).

86279713 is a wasteful number, since it uses less digits than its factorization.

86279713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61011.

The product of its digits is 127008, while the sum is 43.

The square root of 86279713 is about 9288.6873668996. The cubic root of 86279713 is about 441.8785266402.

The spelling of 86279713 in words is "eighty-six million, two hundred seventy-nine thousand, seven hundred thirteen".

Divisors: 1 13 109 1417 60889 791557 6636901 86279713