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13905960 = 2335115883
BaseRepresentation
bin110101000011…
…000000101000
3222011111101120
4311003000220
512024442320
61214015240
7226125105
oct65030050
928144346
1013905960
117938832
1247a7520
132b5b6a3
141bbdaac
15134a440
hexd43028

13905960 has 32 divisors (see below), whose sum is σ = 41718240. Its totient is φ = 3708224.

The previous prime is 13905959. The next prime is 13906001. The reversal of 13905960 is 6950931.

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, 57822 + ... + 58061.

It is an arithmetic number, because the mean of its divisors is an integer number (1303695).

Almost surely, 213905960 is an apocalyptic number.

13905960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13905960 is an abundant number, since it is smaller than the sum of its proper divisors (27812280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13905960 is a wasteful number, since it uses less digits than its factorization.

13905960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115897 (or 115893 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 13905960 is about 3729.0695890530. The cubic root of 13905960 is about 240.4733712735.

The spelling of 13905960 in words is "thirteen million, nine hundred five thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 115883 231766 347649 463532 579415 695298 927064 1158830 1390596 1738245 2317660 2781192 3476490 4635320 6952980 13905960