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14931108 = 2233138251
BaseRepresentation
bin111000111101…
…010010100100
31001002120122000
4320331102210
512310243413
61252005300
7240624633
oct70752244
931076560
1014931108
118478a65
125000830
13312a19a
141da951a
15149e073
hexe3d4a4

14931108 has 24 divisors (see below), whose sum is σ = 38710560. Its totient is φ = 4977000.

The previous prime is 14931097. The next prime is 14931109. The reversal of 14931108 is 80113941.

14931108 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×149311082 = 445875972215328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (14931109) 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, 69018 + ... + 69233.

It is an arithmetic number, because the mean of its divisors is an integer number (1612940).

Almost surely, 214931108 is an apocalyptic number.

14931108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

14931108 is an abundant number, since it is smaller than the sum of its proper divisors (23779452).

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

14931108 is a wasteful number, since it uses less digits than its factorization.

14931108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138264 (or 138256 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 14931108 is about 3864.0791917351. The cubic root of 14931108 is about 246.2430673063.

It can be divided in two parts, 1493 and 1108, that added together give a square (2601 = 512).

The spelling of 14931108 in words is "fourteen million, nine hundred thirty-one thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 138251 276502 414753 553004 829506 1244259 1659012 2488518 3732777 4977036 7465554 14931108