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13779672 = 2331135081
BaseRepresentation
bin110100100100…
…001011011000
3221221002011020
4310210023120
512011422142
61211202440
7225060654
oct64441330
927832136
1013779672
117861965
124746420
132b1606a
141b89a64
151322cec
hexd242d8

13779672 has 32 divisors (see below), whose sum is σ = 34760880. Its totient is φ = 4551680.

The previous prime is 13779659. The next prime is 13779677. The reversal of 13779672 is 27697731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13779677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172 + ... + 5252.

Almost surely, 213779672 is an apocalyptic number.

13779672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13779672 is an abundant number, since it is smaller than the sum of its proper divisors (20981208).

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

13779672 is a wasteful number, since it uses less digits than its factorization.

13779672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203 (or 5199 counting only the distinct ones).

The product of its digits is 111132, while the sum is 42.

The square root of 13779672 is about 3712.0980590496. The cubic root of 13779672 is about 239.7431975390.

The spelling of 13779672 in words is "thirteen million, seven hundred seventy-nine thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 113 226 339 452 678 904 1356 2712 5081 10162 15243 20324 30486 40648 60972 121944 574153 1148306 1722459 2296612 3444918 4593224 6889836 13779672