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14507660 = 2254211723
BaseRepresentation
bin110111010101…
…111010001100
31000022001202202
4313111322030
512203221120
61234541032
7234212246
oct67257214
930261682
1014507660
118209902
124a37778
13300c51b
141cd9096
151418875
hexdd5e8c

14507660 has 24 divisors (see below), whose sum is σ = 30556176. Its totient is φ = 5785920.

The previous prime is 14507629. The next prime is 14507677. The reversal of 14507660 is 6670541.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 7559 + ... + 9281.

It is an arithmetic number, because the mean of its divisors is an integer number (1273174).

Almost surely, 214507660 is an apocalyptic number.

14507660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14507660 is an abundant number, since it is smaller than the sum of its proper divisors (16048516).

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

14507660 is a wasteful number, since it uses less digits than its factorization.

14507660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 2151 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 14507660 is about 3808.8922274068. The cubic root of 14507660 is about 243.8928805083.

The spelling of 14507660 in words is "fourteen million, five hundred seven thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 421 842 1684 1723 2105 3446 4210 6892 8420 8615 17230 34460 725383 1450766 2901532 3626915 7253830 14507660