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13502768 = 241944417
BaseRepresentation
bin110011100000…
…100100110000
3221102000022112
4303200210300
511424042033
61201224452
7222525446
oct63404460
927360275
1013502768
117692914
124632128
132a4a006
141b16b96
1512bac48
hexce0930

13502768 has 20 divisors (see below), whose sum is σ = 27539160. Its totient is φ = 6395904.

The previous prime is 13502707. The next prime is 13502773. The reversal of 13502768 is 86720531.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 21905 + ... + 22512.

It is an arithmetic number, because the mean of its divisors is an integer number (1376958).

Almost surely, 213502768 is an apocalyptic number.

It is an amenable number.

13502768 is an abundant number, since it is smaller than the sum of its proper divisors (14036392).

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

13502768 is a wasteful number, since it uses less digits than its factorization.

13502768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44444 (or 44438 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 13502768 is about 3674.6112719579. The cubic root of 13502768 is about 238.1264304835.

The spelling of 13502768 in words is "thirteen million, five hundred two thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 44417 88834 177668 355336 710672 843923 1687846 3375692 6751384 13502768