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13255444 = 2217194933
BaseRepresentation
bin110010100100…
…001100010100
3220221110001101
4302210030110
511343133234
61152035444
7220445416
oct62441424
926843041
1013255444
117534014
124532b84
132991577
141a909b6
15126c814
hexca4314

13255444 has 12 divisors (see below), whose sum is σ = 24561684. Its totient is φ = 6237824.

The previous prime is 13255409. The next prime is 13255469. The reversal of 13255444 is 44455231.

It can be written as a sum of positive squares in 2 ways, for example, as 4787344 + 8468100 = 2188^2 + 2910^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97399 + ... + 97534.

It is an arithmetic number, because the mean of its divisors is an integer number (2046807).

Almost surely, 213255444 is an apocalyptic number.

It is an amenable number.

13255444 is a deficient number, since it is larger than the sum of its proper divisors (11306240).

13255444 is a wasteful number, since it uses less digits than its factorization.

13255444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194954 (or 194952 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 13255444 is about 3640.8026587553. The cubic root of 13255444 is about 236.6635781739.

The spelling of 13255444 in words is "thirteen million, two hundred fifty-five thousand, four hundred forty-four".

Divisors: 1 2 4 17 34 68 194933 389866 779732 3313861 6627722 13255444