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13780492 = 22113110103
BaseRepresentation
bin110100100100…
…011000001100
3221221010021121
4310210120030
512011433432
61211210324
7225063235
oct64443014
927833247
1013780492
117862540
1247469a4
132b1654b
141b8a08c
151323197
hexd2460c

13780492 has 24 divisors (see below), whose sum is σ = 27159552. Its totient is φ = 6061200.

The previous prime is 13780471. The next prime is 13780537. The reversal of 13780492 is 29408731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3688 + ... + 6415.

It is an arithmetic number, because the mean of its divisors is an integer number (1131648).

Almost surely, 213780492 is an apocalyptic number.

It is an amenable number.

13780492 is a deficient number, since it is larger than the sum of its proper divisors (13379060).

13780492 is a wasteful number, since it uses less digits than its factorization.

13780492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10149 (or 10147 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 13780492 is about 3712.2085070750. The cubic root of 13780492 is about 239.7479529865.

The spelling of 13780492 in words is "thirteen million, seven hundred eighty thousand, four hundred ninety-two".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 1364 10103 20206 40412 111133 222266 313193 444532 626386 1252772 3445123 6890246 13780492