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14139740 = 225706987
BaseRepresentation
bin110101111100…
…000101011100
3222121101002002
4311330011130
512104432430
61223021432
7231120506
oct65740534
928541062
1014139740
117a8843a
12489a878
132c10c14
141c40d76
151394845
hexd7c15c

14139740 has 12 divisors (see below), whose sum is σ = 29693496. Its totient is φ = 5655888.

The previous prime is 14139731. The next prime is 14139757. The reversal of 14139740 is 4793141.

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 3 ways as a sum of consecutive naturals, for example, 353474 + ... + 353513.

It is an arithmetic number, because the mean of its divisors is an integer number (2474458).

Almost surely, 214139740 is an apocalyptic number.

14139740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14139740 is an abundant number, since it is smaller than the sum of its proper divisors (15553756).

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

14139740 is a wasteful number, since it uses less digits than its factorization.

14139740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706996 (or 706994 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 14139740 is about 3760.2845636999. The cubic root of 14139740 is about 241.8134618779.

The spelling of 14139740 in words is "fourteen million, one hundred thirty-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 706987 1413974 2827948 3534935 7069870 14139740