Search a number
-
+
13285742 = 289101739
BaseRepresentation
bin110010101011…
…100101101110
3220222222121112
4302223211232
511400120432
61152432022
7220632641
oct62534556
926888545
1013285742
117554858
124548612
1329a22b2
141a9ba58
1512767b2
hexcab96e

13285742 has 16 divisors (see below), whose sum is σ = 20379600. Its totient is φ = 6494400.

The previous prime is 13285717. The next prime is 13285757. The reversal of 13285742 is 24758231.

It is a junction number, because it is equal to n+sod(n) for n = 13285699 and 13285708.

It is a congruent number.

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, 17609 + ... + 18347.

It is an arithmetic number, because the mean of its divisors is an integer number (1273725).

Almost surely, 213285742 is an apocalyptic number.

13285742 is a deficient number, since it is larger than the sum of its proper divisors (7093858).

13285742 is a wasteful number, since it uses less digits than its factorization.

13285742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its digits is 13440, while the sum is 32.

The square root of 13285742 is about 3644.9611794915. The cubic root of 13285742 is about 236.8437551351.

The spelling of 13285742 in words is "thirteen million, two hundred eighty-five thousand, seven hundred forty-two".

Divisors: 1 2 89 101 178 202 739 1478 8989 17978 65771 74639 131542 149278 6642871 13285742