Search a number
-
+
13079418 = 2311198173
BaseRepresentation
bin110001111001…
…001101111010
3220121111120220
4301321031322
511322020133
61144200510
7216113262
oct61711572
926544526
1013079418
117423840
124469136
13292c401
141a467a2
1512355b3
hexc7937a

13079418 has 16 divisors (see below), whose sum is σ = 28537056. Its totient is φ = 3963440.

The previous prime is 13079413. The next prime is 13079419. The reversal of 13079418 is 81497031.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (13079413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99021 + ... + 99152.

It is an arithmetic number, because the mean of its divisors is an integer number (1783566).

Almost surely, 213079418 is an apocalyptic number.

13079418 is an abundant number, since it is smaller than the sum of its proper divisors (15457638).

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

13079418 is a wasteful number, since it uses less digits than its factorization.

13079418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198189.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 13079418 is about 3616.5478014261. The cubic root of 13079418 is about 235.6113131756.

The spelling of 13079418 in words is "thirteen million, seventy-nine thousand, four hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 198173 396346 594519 1189038 2179903 4359806 6539709 13079418