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14138868 = 2231178239
BaseRepresentation
bin110101111011…
…110111110100
3222121022212210
4311323313310
512104420433
61223013420
7231115122
oct65736764
928538783
1014138868
117a87817
12489a270
132c106c3
141c40912
151394463
hexd7bdf4

14138868 has 12 divisors (see below), whose sum is σ = 32990720. Its totient is φ = 4712952.

The previous prime is 14138843. The next prime is 14138879. The reversal of 14138868 is 86883141.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589108 + ... + 589131.

Almost surely, 214138868 is an apocalyptic number.

It is an amenable number.

14138868 is an abundant number, since it is smaller than the sum of its proper divisors (18851852).

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

14138868 is a wasteful number, since it uses less digits than its factorization.

14138868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178246 (or 1178244 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 14138868 is about 3760.1686132406. The cubic root of 14138868 is about 241.8084908842.

The spelling of 14138868 in words is "fourteen million, one hundred thirty-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 1178239 2356478 3534717 4712956 7069434 14138868