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14861920 = 255293203
BaseRepresentation
bin111000101100…
…011001100000
31000222001201111
4320230121200
512301040140
61250313104
7240216133
oct70543140
930861644
1014861920
118430a87
124b88794
133104848
141d8c21a
1514887ea
hexe2c660

14861920 has 48 divisors (see below), whose sum is σ = 36333360. Its totient is φ = 5737984.

The previous prime is 14861909. The next prime is 14861929. The reversal of 14861920 is 2916841.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14861929) 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, 3039 + ... + 6241.

It is an arithmetic number, because the mean of its divisors is an integer number (756945).

Almost surely, 214861920 is an apocalyptic number.

14861920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14861920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18166680).

14861920 is an abundant number, since it is smaller than the sum of its proper divisors (21471440).

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

14861920 is a wasteful number, since it uses less digits than its factorization.

14861920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 14861920 is about 3855.1160812614. The cubic root of 14861920 is about 245.8621299855.

The spelling of 14861920 in words is "fourteen million, eight hundred sixty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 80 116 145 160 232 290 464 580 928 1160 2320 3203 4640 6406 12812 16015 25624 32030 51248 64060 92887 102496 128120 185774 256240 371548 464435 512480 743096 928870 1486192 1857740 2972384 3715480 7430960 14861920