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13904883 = 321544987
BaseRepresentation
bin110101000010…
…101111110011
3222011102220200
4311002233303
512024424013
61214010243
7226122006
oct65025763
928142820
1013904883
117937a43
1247a6983
132b5b055
141bbd53d
151349e73
hexd42bf3

13904883 has 6 divisors (see below), whose sum is σ = 20084844. Its totient is φ = 9269916.

The previous prime is 13904843. The next prime is 13904887. The reversal of 13904883 is 38840931.

It is not a de Polignac number, because 13904883 - 214 = 13888499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13904887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 772485 + ... + 772502.

It is an arithmetic number, because the mean of its divisors is an integer number (3347474).

Almost surely, 213904883 is an apocalyptic number.

13904883 is a deficient number, since it is larger than the sum of its proper divisors (6179961).

13904883 is a wasteful number, since it uses less digits than its factorization.

13904883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544993 (or 1544990 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 13904883 is about 3728.9251802631. The cubic root of 13904883 is about 240.4671629881.

The spelling of 13904883 in words is "thirteen million, nine hundred four thousand, eight hundred eighty-three".

Divisors: 1 3 9 1544987 4634961 13904883