Search a number
-
+
13893956 = 227194831
BaseRepresentation
bin110101000000…
…000101000100
3222010212220222
4311000011010
512024101311
61213443512
7226045106
oct65000504
928125828
1013893956
11792a80a
1247a0598
132b5609b
141bb9576
151346adb
hexd40144

13893956 has 12 divisors (see below), whose sum is σ = 24353280. Its totient is φ = 6935880.

The previous prime is 13893953. The next prime is 13893961. The reversal of 13893956 is 65939831.

It is not an unprimeable number, because it can be changed into a prime (13893953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (2029440).

Almost surely, 213893956 is an apocalyptic number.

It is an amenable number.

13893956 is a deficient number, since it is larger than the sum of its proper divisors (10459324).

13893956 is a wasteful number, since it uses less digits than its factorization.

13893956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554 (or 5552 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 13893956 is about 3727.4597247992. The cubic root of 13893956 is about 240.4041569856.

The spelling of 13893956 in words is "thirteen million, eight hundred ninety-three thousand, nine hundred fifty-six".

Divisors: 1 2 4 719 1438 2876 4831 9662 19324 3473489 6946978 13893956