Search a number
-
+
13270538 = 28379943
BaseRepresentation
bin110010100111…
…111000001010
3220222012202102
4302213320022
511344124123
61152233402
7220540421
oct62477012
926865672
1013270538
117544396
12453b862
1329983b8
141a962b8
151272028
hexca7e0a

13270538 has 8 divisors (see below), whose sum is σ = 20145888. Its totient is φ = 6555244.

The previous prime is 13270529. The next prime is 13270541. The reversal of 13270538 is 83507231.

13270538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×132705382 = 352214357618888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13270538.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39806 + ... + 40137.

It is an arithmetic number, because the mean of its divisors is an integer number (2518236).

Almost surely, 213270538 is an apocalyptic number.

13270538 is a deficient number, since it is larger than the sum of its proper divisors (6875350).

13270538 is an equidigital number, since it uses as much as digits as its factorization.

13270538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80028.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 13270538 is about 3642.8749635418. The cubic root of 13270538 is about 236.7533738587.

Adding to 13270538 its reverse (83507231), we get a palindrome (96777769).

The spelling of 13270538 in words is "thirteen million, two hundred seventy thousand, five hundred thirty-eight".

Divisors: 1 2 83 166 79943 159886 6635269 13270538