Search a number
-
+
14931081 = 331150273
BaseRepresentation
bin111000111101…
…010010001001
31001002120121000
4320331102021
512310243311
61252005213
7240624564
oct70752211
931076530
1014931081
118478a40
125000809
13312a179
141da94db
15149e056
hexe3d489

14931081 has 16 divisors (see below), whose sum is σ = 24131520. Its totient is φ = 9048960.

The previous prime is 14931073. The next prime is 14931089. The reversal of 14931081 is 18013941.

14931081 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 an interprime number because it is at equal distance from previous prime (14931073) and next prime (14931089).

It is not a de Polignac number, because 14931081 - 23 = 14931073 is a prime.

It is a super-2 number, since 2×149310812 = 445874359657122, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14931089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24840 + ... + 25433.

It is an arithmetic number, because the mean of its divisors is an integer number (1508220).

Almost surely, 214931081 is an apocalyptic number.

14931081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14931081 is a deficient number, since it is larger than the sum of its proper divisors (9200439).

14931081 is a wasteful number, since it uses less digits than its factorization.

14931081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50293 (or 50287 counting only the distinct ones).

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

The square root of 14931081 is about 3864.0756980163. The cubic root of 14931081 is about 246.2429188787.

The spelling of 14931081 in words is "fourteen million, nine hundred thirty-one thousand, eighty-one".

Divisors: 1 3 9 11 27 33 99 297 50273 150819 452457 553003 1357371 1659009 4977027 14931081