Search a number
-
+
13381034 = 26690517
BaseRepresentation
bin110011000010…
…110110101010
3221011211022212
4303002312222
511411143114
61154445122
7221510522
oct63026652
927154285
1013381034
11760a407
1245937a2
132a06794
141ac4682
151294b3e
hexcc2daa

13381034 has 4 divisors (see below), whose sum is σ = 20071554. Its totient is φ = 6690516.

The previous prime is 13381033. The next prime is 13381037. The reversal of 13381034 is 43018331.

It is a happy number.

13381034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43018331 = 91147221.

It can be written as a sum of positive squares in only one way, i.e., 9320809 + 4060225 = 3053^2 + 2015^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13381033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3345257 + ... + 3345260.

Almost surely, 213381034 is an apocalyptic number.

13381034 is a deficient number, since it is larger than the sum of its proper divisors (6690520).

13381034 is an equidigital number, since it uses as much as digits as its factorization.

13381034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690519.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13381034 is about 3658.0095680575. The cubic root of 13381034 is about 237.4086607215.

Adding to 13381034 its reverse (43018331), we get a palindrome (56399365).

The spelling of 13381034 in words is "thirteen million, three hundred eighty-one thousand, thirty-four".

Divisors: 1 2 6690517 13381034