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13935091 = 27151421
BaseRepresentation
bin110101001010…
…000111110011
3222012222100111
4311022013303
512031410331
61214402151
7226306042
oct65120763
928188314
1013935091
117958705
124800357
132b6ba21
141bca559
151353db1
hexd4a1f3

13935091 has 4 divisors (see below), whose sum is σ = 13986784. Its totient is φ = 13883400.

The previous prime is 13935067. The next prime is 13935101. The reversal of 13935091 is 19053931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13935091 - 25 = 13935059 is a prime.

It is a super-2 number, since 2×139350912 = 388373522356562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13935001) 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, 25440 + ... + 25981.

It is an arithmetic number, because the mean of its divisors is an integer number (3496696).

Almost surely, 213935091 is an apocalyptic number.

13935091 is a deficient number, since it is larger than the sum of its proper divisors (51693).

13935091 is an equidigital number, since it uses as much as digits as its factorization.

13935091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51692.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 13935091 is about 3732.9734796808. The cubic root of 13935091 is about 240.6411732762.

The spelling of 13935091 in words is "thirteen million, nine hundred thirty-five thousand, ninety-one".

Divisors: 1 271 51421 13935091