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14139140 = 225823859
BaseRepresentation
bin110101111011…
…111100000100
3222121100020212
4311323330010
512104423030
61223014552
7231115661
oct65737404
928540225
1014139140
117a87a44
12489a458
132c10872
141c40a68
151394595
hexd7bf04

14139140 has 24 divisors (see below), whose sum is σ = 29762880. Its totient is φ = 5642208.

The previous prime is 14139127. The next prime is 14139161. The reversal of 14139140 is 4193141.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16031 + ... + 16889.

It is an arithmetic number, because the mean of its divisors is an integer number (1240120).

Almost surely, 214139140 is an apocalyptic number.

14139140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14139140 is an abundant number, since it is smaller than the sum of its proper divisors (15623740).

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

14139140 is a wasteful number, since it uses less digits than its factorization.

14139140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 14139140 is about 3760.2047816575. The cubic root of 14139140 is about 241.8100414914.

The spelling of 14139140 in words is "fourteen million, one hundred thirty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 823 859 1646 1718 3292 3436 4115 4295 8230 8590 16460 17180 706957 1413914 2827828 3534785 7069570 14139140