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13881076 = 2211389811
BaseRepresentation
bin110100111100…
…111011110100
3222010020020221
4310330323310
512023143301
61213304124
7225662416
oct64747364
928106227
1013881076
117921070
124795044
132b50271
141bb49b6
151342da1
hexd3cef4

13881076 has 24 divisors (see below), whose sum is σ = 26601120. Its totient is φ = 6285600.

The previous prime is 13881067. The next prime is 13881079. The reversal of 13881076 is 67018831.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13881079) 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, 16711 + ... + 17521.

It is an arithmetic number, because the mean of its divisors is an integer number (1108380).

Almost surely, 213881076 is an apocalyptic number.

It is an amenable number.

13881076 is a deficient number, since it is larger than the sum of its proper divisors (12720044).

13881076 is a wasteful number, since it uses less digits than its factorization.

13881076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 13881076 is about 3725.7316060071. The cubic root of 13881076 is about 240.3298473878.

The spelling of 13881076 in words is "thirteen million, eight hundred eighty-one thousand, seventy-six".

Divisors: 1 2 4 11 22 44 389 778 811 1556 1622 3244 4279 8558 8921 17116 17842 35684 315479 630958 1261916 3470269 6940538 13881076