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13189764 = 2237236827
BaseRepresentation
bin110010010100…
…001010000100
3220211002221210
4302110022010
511334033024
61150411420
7220053060
oct62241204
926732853
1013189764
117499735
124500b70
13296a6c3
141a74aa0
151258129
hexc94284

13189764 has 48 divisors (see below), whose sum is σ = 36707328. Its totient is φ = 3604128.

The previous prime is 13189753. The next prime is 13189789. The reversal of 13189764 is 46798131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1482 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (764736).

Almost surely, 213189764 is an apocalyptic number.

13189764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13189764 is an abundant number, since it is smaller than the sum of its proper divisors (23517564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13189764 is a wasteful number, since it uses less digits than its factorization.

13189764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6864 (or 6862 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 13189764 is about 3631.7714685811. The cubic root of 13189764 is about 236.2720457577.

The spelling of 13189764 in words is "thirteen million, one hundred eighty-nine thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 276 322 483 644 966 1932 6827 13654 20481 27308 40962 47789 81924 95578 143367 157021 191156 286734 314042 471063 573468 628084 942126 1099147 1884252 2198294 3297441 4396588 6594882 13189764