Search a number
-
+
13060481 = 72323527
BaseRepresentation
bin110001110100…
…100110000001
3220120112121112
4301310212001
511320413411
61143533105
7216004130
oct61644601
926515545
1013060481
117410595
12445a195
1329238c5
141a3d917
15122eb8b
hexc74981

13060481 has 12 divisors (see below), whose sum is σ = 15607872. Its totient is φ = 10704936.

The previous prime is 13060477. The next prime is 13060493. The reversal of 13060481 is 18406031.

13060481 = 2012 + 2022 + ... + 3612.

It is not a de Polignac number, because 13060481 - 22 = 13060477 is a prime.

It is a super-2 number, since 2×130604812 = 341152327902722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (13060081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1940 + ... + 5466.

It is an arithmetic number, because the mean of its divisors is an integer number (1300656).

Almost surely, 213060481 is an apocalyptic number.

It is an amenable number.

13060481 is a deficient number, since it is larger than the sum of its proper divisors (2547391).

13060481 is an equidigital number, since it uses as much as digits as its factorization.

13060481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580 (or 3557 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 13060481 is about 3613.9287486059. The cubic root of 13060481 is about 235.4975485190.

The spelling of 13060481 in words is "thirteen million, sixty thousand, four hundred eighty-one".

Divisors: 1 7 23 161 529 3527 3703 24689 81121 567847 1865783 13060481