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13954983 = 372772399
BaseRepresentation
bin110101001110…
…111110100111
3222020222122020
4311032332213
512033024413
61215034223
7226421040
oct65167647
928228566
1013954983
117971649
12480b973
132b77ab3
141bd38c7
151359c23
hexd4efa7

13954983 has 16 divisors (see below), whose sum is σ = 21350400. Its totient is φ = 7942176.

The previous prime is 13954973. The next prime is 13954999. The reversal of 13954983 is 38945931.

It is not a de Polignac number, because 13954983 - 28 = 13954727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13954973) 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, 4618 + ... + 7016.

It is an arithmetic number, because the mean of its divisors is an integer number (1334400).

Almost surely, 213954983 is an apocalyptic number.

13954983 is a deficient number, since it is larger than the sum of its proper divisors (7395417).

13954983 is a wasteful number, since it uses less digits than its factorization.

13954983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686.

The product of its digits is 116640, while the sum is 42.

The square root of 13954983 is about 3735.6368934895. The cubic root of 13954983 is about 240.7556219566.

The spelling of 13954983 in words is "thirteen million, nine hundred fifty-four thousand, nine hundred eighty-three".

Divisors: 1 3 7 21 277 831 1939 2399 5817 7197 16793 50379 664523 1993569 4651661 13954983