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13090899 = 34363633
BaseRepresentation
bin110001111100…
…000001010011
3220122002100010
4301330001103
511322402044
61144330003
7216161613
oct61740123
926562303
1013090899
117431428
124473903
1329346c3
141a4aa43
151238bb9
hexc7c053

13090899 has 4 divisors (see below), whose sum is σ = 17454536. Its totient is φ = 8727264.

The previous prime is 13090873. The next prime is 13090907. The reversal of 13090899 is 99809031.

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

It is not a de Polignac number, because 13090899 - 27 = 13090771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13097899) by changing a digit.

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, 2181814 + ... + 2181819.

It is an arithmetic number, because the mean of its divisors is an integer number (4363634).

Almost surely, 213090899 is an apocalyptic number.

13090899 is a deficient number, since it is larger than the sum of its proper divisors (4363637).

13090899 is an equidigital number, since it uses as much as digits as its factorization.

13090899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363636.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 13090899 is about 3618.1347404429. The cubic root of 13090899 is about 235.6802322050.

The spelling of 13090899 in words is "thirteen million, ninety thousand, eight hundred ninety-nine".

Divisors: 1 3 4363633 13090899