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13538956 = 225363863
BaseRepresentation
bin110011101001…
…011010001100
3221110211221211
4303221122030
511431221311
61202104204
7223036114
oct63513214
927424854
1013538956
117708022
12464b064
132a60622
141b26044
1512c6821
hexce968c

13538956 has 12 divisors (see below), whose sum is σ = 24140592. Its totient is φ = 6641648.

The previous prime is 13538933. The next prime is 13538957. The reversal of 13538956 is 65983531.

13538956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13538957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31720 + ... + 32143.

It is an arithmetic number, because the mean of its divisors is an integer number (2011716).

Almost surely, 213538956 is an apocalyptic number.

It is an amenable number.

13538956 is a deficient number, since it is larger than the sum of its proper divisors (10601636).

13538956 is a wasteful number, since it uses less digits than its factorization.

13538956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63920 (or 63918 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 13538956 is about 3679.5320354632. The cubic root of 13538956 is about 238.3389704221.

The spelling of 13538956 in words is "thirteen million, five hundred thirty-eight thousand, nine hundred fifty-six".

Divisors: 1 2 4 53 106 212 63863 127726 255452 3384739 6769478 13538956