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13976742 = 2313199431
BaseRepresentation
bin110101010100…
…010010100110
3222022002111010
4311110102212
512034223432
61215323050
7226541343
oct65242246
928262433
1013976742
117986a2a
124820486
132b84980
141bdb7ca
1513613cc
hexd544a6

13976742 has 32 divisors (see below), whose sum is σ = 31691520. Its totient is φ = 4073760.

The previous prime is 13976717. The next prime is 13976797. The reversal of 13976742 is 24767931.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 13976742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3234 + ... + 6197.

It is an arithmetic number, because the mean of its divisors is an integer number (990360).

Almost surely, 213976742 is an apocalyptic number.

13976742 is an abundant number, since it is smaller than the sum of its proper divisors (17714778).

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

13976742 is a wasteful number, since it uses less digits than its factorization.

13976742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468.

The product of its digits is 63504, while the sum is 39.

The square root of 13976742 is about 3738.5481139073. The cubic root of 13976742 is about 240.8806879446.

The spelling of 13976742 in words is "thirteen million, nine hundred seventy-six thousand, seven hundred forty-two".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 9431 18862 28293 56586 122603 179189 245206 358378 367809 537567 735618 1075134 2329457 4658914 6988371 13976742