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16028107 = 25163857
BaseRepresentation
bin111101001001…
…000111001011
31010011022102121
4331021013023
513100344412
61331312111
7253144114
oct75110713
933138377
1016028107
119058177
12544b637
1334225b4
1421b320b
151619107
hexf491cb

16028107 has 4 divisors (see below), whose sum is σ = 16092216. Its totient is φ = 15964000.

The previous prime is 16028083. The next prime is 16028113. The reversal of 16028107 is 70182061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70182061 = 83845567.

It is a cyclic number.

It is not a de Polignac number, because 16028107 - 215 = 15995339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16028407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31678 + ... + 32179.

It is an arithmetic number, because the mean of its divisors is an integer number (4023054).

Almost surely, 216028107 is an apocalyptic number.

16028107 is a deficient number, since it is larger than the sum of its proper divisors (64109).

16028107 is an equidigital number, since it uses as much as digits as its factorization.

16028107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64108.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 16028107 is about 4003.5118333783. The cubic root of 16028107 is about 252.1316761659.

The spelling of 16028107 in words is "sixteen million, twenty-eight thousand, one hundred seven".

Divisors: 1 251 63857 16028107