Search a number
-
+
13348331 = 39733623
BaseRepresentation
bin110010111010…
…110111101011
3221010011110122
4302322313223
511404121311
61154033455
7221313263
oct62726753
927104418
1013348331
117597887
12457888b
1329c4929
141ab67a3
15128a0db
hexcbadeb

13348331 has 4 divisors (see below), whose sum is σ = 13382352. Its totient is φ = 13314312.

The previous prime is 13348327. The next prime is 13348333. The reversal of 13348331 is 13384331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13348331 - 22 = 13348327 is a prime.

It is a super-2 number, since 2×133483312 = 356355880971122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 13348331.

It is not an unprimeable number, because it can be changed into a prime (13348333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16415 + ... + 17208.

It is an arithmetic number, because the mean of its divisors is an integer number (3345588).

Almost surely, 213348331 is an apocalyptic number.

13348331 is a deficient number, since it is larger than the sum of its proper divisors (34021).

13348331 is an equidigital number, since it uses as much as digits as its factorization.

13348331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34020.

The product of its digits is 2592, while the sum is 26.

The square root of 13348331 is about 3653.5367796151. The cubic root of 13348331 is about 237.2150954849.

The spelling of 13348331 in words is "thirteen million, three hundred forty-eight thousand, three hundred thirty-one".

Divisors: 1 397 33623 13348331