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13902938 = 271079281
BaseRepresentation
bin110101000010…
…010001011010
3222011100020122
4311002101122
512024343223
61213553242
7226113230
oct65022132
928140218
1013902938
117936535
1247a5822
132b5a1ba
141bbc950
1513495c8
hexd4245a

13902938 has 16 divisors (see below), whose sum is σ = 24058944. Its totient is φ = 5902080.

The previous prime is 13902893. The next prime is 13902943. The reversal of 13902938 is 83920931.

It is a junction number, because it is equal to n+sod(n) for n = 13902898 and 13902907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3143 + ... + 6138.

It is an arithmetic number, because the mean of its divisors is an integer number (1503684).

Almost surely, 213902938 is an apocalyptic number.

13902938 is a deficient number, since it is larger than the sum of its proper divisors (10156006).

13902938 is a wasteful number, since it uses less digits than its factorization.

13902938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9397.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 13902938 is about 3728.6643721311. The cubic root of 13902938 is about 240.4559503697.

The spelling of 13902938 in words is "thirteen million, nine hundred two thousand, nine hundred thirty-eight".

Divisors: 1 2 7 14 107 214 749 1498 9281 18562 64967 129934 993067 1986134 6951469 13902938