Search a number
-
+
13905696 = 253720693
BaseRepresentation
bin110101000010…
…111100100000
3222011111000210
4311002330200
512024440241
61214014120
7226124250
oct65027440
928144023
1013905696
117938612
1247a7340
132b5b52c
141bbd960
15134a316
hexd42f20

13905696 has 48 divisors (see below), whose sum is σ = 41719104. Its totient is φ = 3972864.

The previous prime is 13905607. The next prime is 13905707. The reversal of 13905696 is 69650931.

It is a tau number, because it is divible by the number of its divisors (48).

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, 9675 + ... + 11018.

It is an arithmetic number, because the mean of its divisors is an integer number (869148).

Almost surely, 213905696 is an apocalyptic number.

13905696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13905696 is an abundant number, since it is smaller than the sum of its proper divisors (27813408).

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

13905696 is a wasteful number, since it uses less digits than its factorization.

13905696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20713 (or 20705 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 13905696 is about 3729.0341913155. The cubic root of 13905696 is about 240.4718494951.

The spelling of 13905696 in words is "thirteen million, nine hundred five thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 20693 41386 62079 82772 124158 144851 165544 248316 289702 331088 434553 496632 579404 662176 869106 993264 1158808 1738212 1986528 2317616 3476424 4635232 6952848 13905696