Search a number
-
+
13485442 = 237318077
BaseRepresentation
bin110011011100…
…010110000010
3221101010112211
4303130112002
511423013232
61201012334
7222424105
oct63342602
927333484
1013485442
1176808a3
1246240aa
132a42169
141b1073c
1512b5a47
hexcdc582

13485442 has 8 divisors (see below), whose sum is σ = 20283516. Its totient is φ = 6724272.

The previous prime is 13485431. The next prime is 13485443. The reversal of 13485442 is 24458431.

It can be written as a sum of positive squares in 2 ways, for example, as 12047841 + 1437601 = 3471^2 + 1199^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13485443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8293 + ... + 9784.

Almost surely, 213485442 is an apocalyptic number.

13485442 is a deficient number, since it is larger than the sum of its proper divisors (6798074).

13485442 is a wasteful number, since it uses less digits than its factorization.

13485442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18452.

The product of its digits is 15360, while the sum is 31.

The square root of 13485442 is about 3672.2529869278. The cubic root of 13485442 is about 238.0245366977.

The spelling of 13485442 in words is "thirteen million, four hundred eighty-five thousand, four hundred forty-two".

Divisors: 1 2 373 746 18077 36154 6742721 13485442