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16255087 = 23816827
BaseRepresentation
bin111110000000…
…100001101111
31010120211210021
4332000201233
513130130322
61340223011
7255110632
oct76004157
933524707
1016255087
1191a2762
12553aa67
1334a19c4
142231c19
1516614c7
hexf8086f

16255087 has 4 divisors (see below), whose sum is σ = 16264296. Its totient is φ = 16245880.

The previous prime is 16255081. The next prime is 16255093. The reversal of 16255087 is 78055261.

16255087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 78055261 = 233393707.

It is an interprime number because it is at equal distance from previous prime (16255081) and next prime (16255093).

It is a cyclic number.

It is not a de Polignac number, because 16255087 - 215 = 16222319 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 (16255081) 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, 1033 + ... + 5794.

It is an arithmetic number, because the mean of its divisors is an integer number (4066074).

Almost surely, 216255087 is an apocalyptic number.

16255087 is a deficient number, since it is larger than the sum of its proper divisors (9209).

16255087 is an equidigital number, since it uses as much as digits as its factorization.

16255087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9208.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 16255087 is about 4031.7597894716. The cubic root of 16255087 is about 253.3162786688.

The spelling of 16255087 in words is "sixteen million, two hundred fifty-five thousand, eighty-seven".

Divisors: 1 2381 6827 16255087