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14820920 = 235536991
BaseRepresentation
bin111000100010…
…011000111000
31000212222110222
4320202120320
512243232140
61245355212
7236655452
oct70423070
930788428
1014820920
1184031a4
124b68b08
1330bbc9a
141d7b2d2
15147b5b5
hexe22638

14820920 has 32 divisors (see below), whose sum is σ = 33981120. Its totient is φ = 5815680.

The previous prime is 14820919. The next prime is 14820941. The reversal of 14820920 is 2902841.

It is a self number, because there is not a number n which added to its sum of digits gives 14820920.

It is a congruent number.

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, 1376 + ... + 5615.

It is an arithmetic number, because the mean of its divisors is an integer number (1061910).

Almost surely, 214820920 is an apocalyptic number.

14820920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14820920 is an abundant number, since it is smaller than the sum of its proper divisors (19160200).

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

14820920 is a wasteful number, since it uses less digits than its factorization.

14820920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7055 (or 7051 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 14820920 is about 3849.7947997263. The cubic root of 14820920 is about 245.6358328178.

The spelling of 14820920 in words is "fourteen million, eight hundred twenty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 53 106 212 265 424 530 1060 2120 6991 13982 27964 34955 55928 69910 139820 279640 370523 741046 1482092 1852615 2964184 3705230 7410460 14820920