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13055144 = 234337951
BaseRepresentation
bin110001110011…
…010010101000
3220120021021212
4301303102220
511320231034
61143452252
7215652434
oct61632250
926507255
1013055144
117407583
124457088
13292134b
141a3b9c4
15122d2ce
hexc734a8

13055144 has 16 divisors (see below), whose sum is σ = 25048320. Its totient is φ = 6375600.

The previous prime is 13055137. The next prime is 13055149. The reversal of 13055144 is 44155031.

It is not an unprimeable number, because it can be changed into a prime (13055149) 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, 18632 + ... + 19319.

It is an arithmetic number, because the mean of its divisors is an integer number (1565520).

Almost surely, 213055144 is an apocalyptic number.

It is an amenable number.

13055144 is a deficient number, since it is larger than the sum of its proper divisors (11993176).

13055144 is a wasteful number, since it uses less digits than its factorization.

13055144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38000 (or 37996 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 13055144 is about 3613.1902800711. The cubic root of 13055144 is about 235.4654664527.

The spelling of 13055144 in words is "thirteen million, fifty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 43 86 172 344 37951 75902 151804 303608 1631893 3263786 6527572 13055144