Search a number
-
+
13023353 = 71860479
BaseRepresentation
bin110001101011…
…100001111001
3220111122200102
4301223201321
511313221403
61143045145
7215460650
oct61534171
926448612
1013023353
117395702
1244407b5
13290ca35
141a30197
151223b88
hexc6b879

13023353 has 4 divisors (see below), whose sum is σ = 14883840. Its totient is φ = 11162868.

The previous prime is 13023289. The next prime is 13023383. The reversal of 13023353 is 35332031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13023353 - 26 = 13023289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13023383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930233 + ... + 930246.

It is an arithmetic number, because the mean of its divisors is an integer number (3720960).

Almost surely, 213023353 is an apocalyptic number.

It is an amenable number.

13023353 is a deficient number, since it is larger than the sum of its proper divisors (1860487).

13023353 is an equidigital number, since it uses as much as digits as its factorization.

13023353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860486.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 13023353 is about 3608.7883008013. The cubic root of 13023353 is about 235.2741812631.

Adding to 13023353 its reverse (35332031), we get a palindrome (48355384).

The spelling of 13023353 in words is "thirteen million, twenty-three thousand, three hundred fifty-three".

Divisors: 1 7 1860479 13023353