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14390817 = 373718521
BaseRepresentation
bin110110111001…
…011000100001
31000002010111020
4312321120201
512141001232
61232240053
7233214510
oct66713041
930063436
1014390817
11813a041
1249a0029
132c9b29c
141ca8677
1513e3e2c
hexdb9621

14390817 has 16 divisors (see below), whose sum is σ = 22522752. Its totient is φ = 8000640.

The previous prime is 14390813. The next prime is 14390819. The reversal of 14390817 is 71809341.

14390817 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 14390817 - 22 = 14390813 is a prime.

It is a super-2 number, since 2×143908172 = 414191227854978, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (14390813) 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, 8484 + ... + 10037.

It is an arithmetic number, because the mean of its divisors is an integer number (1407672).

Almost surely, 214390817 is an apocalyptic number.

It is an amenable number.

14390817 is a deficient number, since it is larger than the sum of its proper divisors (8131935).

14390817 is a wasteful number, since it uses less digits than its factorization.

14390817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18568.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 14390817 is about 3793.5230327494. The cubic root of 14390817 is about 243.2363532139.

The spelling of 14390817 in words is "fourteen million, three hundred ninety thousand, eight hundred seventeen".

Divisors: 1 3 7 21 37 111 259 777 18521 55563 129647 388941 685277 2055831 4796939 14390817