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13057768 = 231796013
BaseRepresentation
bin110001110011…
…111011101000
3220120101220001
4301303323220
511320322033
61143512344
7215663203
oct61637350
926511801
1013057768
117409549
1244586b4
1329225b9
141a3c93a
15122de7d
hexc73ee8

13057768 has 16 divisors (see below), whose sum is σ = 25923780. Its totient is φ = 6144768.

The previous prime is 13057753. The next prime is 13057771. The reversal of 13057768 is 86775031.

It can be written as a sum of positive squares in 2 ways, for example, as 11035684 + 2022084 = 3322^2 + 1422^2 .

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, 47871 + ... + 48142.

Almost surely, 213057768 is an apocalyptic number.

It is an amenable number.

13057768 is a deficient number, since it is larger than the sum of its proper divisors (12866012).

13057768 is a wasteful number, since it uses less digits than its factorization.

13057768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96036 (or 96032 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 13057768 is about 3613.5533758338. The cubic root of 13057768 is about 235.4812410774.

The spelling of 13057768 in words is "thirteen million, fifty-seven thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 17 34 68 136 96013 192026 384052 768104 1632221 3264442 6528884 13057768