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13904804 = 2229119869
BaseRepresentation
bin110101000010…
…101110100100
3222011102210202
4311002232210
512024423204
61214010032
7226121534
oct65025644
928142722
1013904804
117937981
1247a6918
132b5acc4
141bbd4c4
151349e1e
hexd42ba4

13904804 has 12 divisors (see below), whose sum is σ = 25172700. Its totient is φ = 6712608.

The previous prime is 13904797. The next prime is 13904831. The reversal of 13904804 is 40840931.

It can be written as a sum of positive squares in 2 ways, for example, as 9486400 + 4418404 = 3080^2 + 2102^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

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, 59819 + ... + 60050.

It is an arithmetic number, because the mean of its divisors is an integer number (2097725).

Almost surely, 213904804 is an apocalyptic number.

It is an amenable number.

13904804 is a deficient number, since it is larger than the sum of its proper divisors (11267896).

13904804 is a wasteful number, since it uses less digits than its factorization.

13904804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119902 (or 119900 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13904804 is about 3728.9145873833. The cubic root of 13904804 is about 240.4667075859.

The spelling of 13904804 in words is "thirteen million, nine hundred four thousand, eight hundred four".

Divisors: 1 2 4 29 58 116 119869 239738 479476 3476201 6952402 13904804