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14883981 = 371395099
BaseRepresentation
bin111000110001…
…110010001101
31001000011222120
4320301302031
512302241411
61251003153
7240340350
oct70616215
931004876
1014883981
118446612
124b994b9
1331118b8
141d96297
151490106
hexe31c8d

14883981 has 16 divisors (see below), whose sum is σ = 22848000. Its totient is φ = 8442288.

The previous prime is 14883949. The next prime is 14883991. The reversal of 14883981 is 18938841.

14883981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14883981 - 25 = 14883949 is a prime.

It is a super-2 number, since 2×148839812 = 443065780816722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14883991) 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, 370 + ... + 5468.

It is an arithmetic number, because the mean of its divisors is an integer number (1428000).

Almost surely, 214883981 is an apocalyptic number.

It is an amenable number.

14883981 is a deficient number, since it is larger than the sum of its proper divisors (7964019).

14883981 is a wasteful number, since it uses less digits than its factorization.

14883981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248.

The product of its digits is 55296, while the sum is 42.

The square root of 14883981 is about 3857.9762829753. The cubic root of 14883981 is about 245.9837222358.

The spelling of 14883981 in words is "fourteen million, eight hundred eighty-three thousand, nine hundred eighty-one".

Divisors: 1 3 7 21 139 417 973 2919 5099 15297 35693 107079 708761 2126283 4961327 14883981