Search a number
-
+
13282974 = 233245981
BaseRepresentation
bin110010101010…
…111010011110
3220222211211000
4302222322132
511400023344
61152411130
7220621605
oct62527236
926884730
1013282974
117552771
124546aa6
1329a0c63
141a9aa3c
151275a69
hexcaae9e

13282974 has 16 divisors (see below), whose sum is σ = 29517840. Its totient is φ = 4427640.

The previous prime is 13282961. The next prime is 13282987. The reversal of 13282974 is 47928231.

It is an interprime number because it is at equal distance from previous prime (13282961) and next prime (13282987).

It is a Curzon number.

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, 122937 + ... + 123044.

It is an arithmetic number, because the mean of its divisors is an integer number (1844865).

Almost surely, 213282974 is an apocalyptic number.

13282974 is an abundant number, since it is smaller than the sum of its proper divisors (16234866).

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

13282974 is a wasteful number, since it uses less digits than its factorization.

13282974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245992 (or 245986 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 13282974 is about 3644.5814574516. The cubic root of 13282974 is about 236.8273056951.

The spelling of 13282974 in words is "thirteen million, two hundred eighty-two thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 245981 491962 737943 1475886 2213829 4427658 6641487 13282974