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86106886 = 2139309737
BaseRepresentation
bin1010010000111…
…10001100000110
320000000200102221
411020132030012
5134020410021
612313322554
72063616325
oct510361406
9200020387
1086106886
1144672418
1224a0645a
1314abac28
14b6160bc
15785d241
hex521e306

86106886 has 8 divisors (see below), whose sum is σ = 130089960. Its totient is φ = 42743568.

The previous prime is 86106857. The next prime is 86106893. The reversal of 86106886 is 68860168.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154591 + ... + 155146.

It is an arithmetic number, because the mean of its divisors is an integer number (16261245).

Almost surely, 286106886 is an apocalyptic number.

86106886 is a deficient number, since it is larger than the sum of its proper divisors (43983074).

86106886 is a wasteful number, since it uses less digits than its factorization.

86106886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309878.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 86106886 is about 9279.3796128836. The cubic root of 86106886 is about 441.5832869460.

The spelling of 86106886 in words is "eighty-six million, one hundred six thousand, eight hundred eighty-six".

Divisors: 1 2 139 278 309737 619474 43053443 86106886