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14720920 = 2352316001
BaseRepresentation
bin111000001001…
…111110011000
31000200220022021
4320021332120
512232032140
61243304224
7236061064
oct70117630
930626267
1014720920
118345055
124b1b074
133085606
141d52aa4
15145bb4a
hexe09f98

14720920 has 32 divisors (see below), whose sum is σ = 34564320. Its totient is φ = 5632000.

The previous prime is 14720891. The next prime is 14720933. The reversal of 14720920 is 2902741.

14720920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7081 + ... + 8920.

It is an arithmetic number, because the mean of its divisors is an integer number (1080135).

Almost surely, 214720920 is an apocalyptic number.

14720920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14720920 is an abundant number, since it is smaller than the sum of its proper divisors (19843400).

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

14720920 is a wasteful number, since it uses less digits than its factorization.

14720920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16035 (or 16031 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 14720920 is about 3836.7851125649. The cubic root of 14720920 is about 245.0821326742.

It can be divided in two parts, 14720 and 920, that multiplied together give a square (13542400 = 36802).

The spelling of 14720920 in words is "fourteen million, seven hundred twenty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 16001 32002 64004 80005 128008 160010 320020 368023 640040 736046 1472092 1840115 2944184 3680230 7360460 14720920