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14387928 = 2334871231
BaseRepresentation
bin110110111000…
…101011011000
31000001222112020
4312320223120
512140403203
61232214440
7233203212
oct66705330
930058466
1014387928
118137955
12499a420
132c99b89
141ca75b2
1513e3153
hexdb8ad8

14387928 has 32 divisors (see below), whose sum is σ = 36072960. Its totient is φ = 4782240.

The previous prime is 14387911. The next prime is 14387939. The reversal of 14387928 is 82978341.

It is a self number, because there is not a number n which added to its sum of digits gives 14387928.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11073 + ... + 12303.

It is an arithmetic number, because the mean of its divisors is an integer number (1127280).

Almost surely, 214387928 is an apocalyptic number.

It is an amenable number.

14387928 is an abundant number, since it is smaller than the sum of its proper divisors (21685032).

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

14387928 is a wasteful number, since it uses less digits than its factorization.

14387928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727 (or 1723 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 14387928 is about 3793.1422330306. The cubic root of 14387928 is about 243.2200753136.

The spelling of 14387928 in words is "fourteen million, three hundred eighty-seven thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 487 974 1231 1461 1948 2462 2922 3693 3896 4924 5844 7386 9848 11688 14772 29544 599497 1198994 1798491 2397988 3596982 4795976 7193964 14387928