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14169640 = 2351791979
BaseRepresentation
bin110110000011…
…011000101000
3222122220002111
4312003120220
512111412030
61223412104
7231303622
oct66033050
928586074
1014169640
117aa8951
1248b4034
132c21704
141c4bc12
15139d62a
hexd83628

14169640 has 32 divisors (see below), whose sum is σ = 32076000. Its totient is φ = 5633344.

The previous prime is 14169613. The next prime is 14169647. The reversal of 14169640 is 4696141.

It is not an unprimeable number, because it can be changed into a prime (14169647) 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, 6171 + ... + 8149.

It is an arithmetic number, because the mean of its divisors is an integer number (1002375).

Almost surely, 214169640 is an apocalyptic number.

14169640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14169640 is an abundant number, since it is smaller than the sum of its proper divisors (17906360).

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

14169640 is a wasteful number, since it uses less digits than its factorization.

14169640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 14169640 is about 3764.2582270615. The cubic root of 14169640 is about 241.9837887280.

The spelling of 14169640 in words is "fourteen million, one hundred sixty-nine thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 179 358 716 895 1432 1790 1979 3580 3958 7160 7916 9895 15832 19790 39580 79160 354241 708482 1416964 1771205 2833928 3542410 7084820 14169640