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13879002 = 2314271621
BaseRepresentation
bin110100111100…
…011011011010
3222010010102010
4310330123122
512023112002
61213250350
7225653364
oct64743332
928103363
1013879002
11791a555
1247939b6
132b4c337
141bb3d34
15134246c
hexd3c6da

13879002 has 16 divisors (see below), whose sum is σ = 27794592. Its totient is φ = 4620240.

The previous prime is 13879001. The next prime is 13879027. The reversal of 13879002 is 20097831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13879001) 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, 7752 + ... + 9372.

It is an arithmetic number, because the mean of its divisors is an integer number (1737162).

Almost surely, 213879002 is an apocalyptic number.

13879002 is an abundant number, since it is smaller than the sum of its proper divisors (13915590).

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

13879002 is a wasteful number, since it uses less digits than its factorization.

13879002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 13879002 is about 3725.4532610140. The cubic root of 13879002 is about 240.3178774001.

The spelling of 13879002 in words is "thirteen million, eight hundred seventy-nine thousand, two".

Divisors: 1 2 3 6 1427 1621 2854 3242 4281 4863 8562 9726 2313167 4626334 6939501 13879002