Search a number
-
+
13905996 = 2231326857
BaseRepresentation
bin110101000011…
…000001001100
3222011111102220
4311003001030
512024442441
61214015340
7226125156
oct65030114
928144386
1013905996
117938865
1247a7550
132b5b700
141bbdad6
15134a466
hexd4304c

13905996 has 36 divisors (see below), whose sum is σ = 35140392. Its totient is φ = 4278144.

The previous prime is 13905959. The next prime is 13906001. The reversal of 13905996 is 69950931.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1401 + ... + 5456.

It is an arithmetic number, because the mean of its divisors is an integer number (976122).

Almost surely, 213905996 is an apocalyptic number.

It is an amenable number.

13905996 is an abundant number, since it is smaller than the sum of its proper divisors (21234396).

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

13905996 is a wasteful number, since it uses less digits than its factorization.

13905996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890 (or 6875 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 13905996 is about 3729.0744159912. The cubic root of 13905996 is about 240.4735787873.

The spelling of 13905996 in words is "thirteen million, nine hundred five thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 507 676 1014 2028 6857 13714 20571 27428 41142 82284 89141 178282 267423 356564 534846 1069692 1158833 2317666 3476499 4635332 6952998 13905996