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16312087 = 115472711
BaseRepresentation
bin111110001110…
…011100010111
31010200201222101
4332032130113
513133441322
61341342531
7255436051
oct76163427
933621871
1016312087
119231570
125567a47
1334c192c
1422488d1
151673327
hexf8e717

16312087 has 8 divisors (see below), whose sum is σ = 17834112. Its totient is φ = 14796600.

The previous prime is 16312081. The next prime is 16312111. The reversal of 16312087 is 78021361.

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

It is a cyclic number.

It is not a de Polignac number, because 16312087 - 211 = 16310039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16312081) 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, 4662 + ... + 7372.

It is an arithmetic number, because the mean of its divisors is an integer number (2229264).

Almost surely, 216312087 is an apocalyptic number.

16312087 is a deficient number, since it is larger than the sum of its proper divisors (1522025).

16312087 is a wasteful number, since it uses less digits than its factorization.

16312087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 16312087 is about 4038.8224769108. The cubic root of 16312087 is about 253.6120257460.

The spelling of 16312087 in words is "sixteen million, three hundred twelve thousand, eighty-seven".

Divisors: 1 11 547 2711 6017 29821 1482917 16312087