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23465813 = 712792621
BaseRepresentation
bin101100110000…
…0111101010101
31122011012001012
41121200331111
522001401223
62154542005
7403312310
oct131407525
948135035
1023465813
1112278238
127a37905
134b27ac7
14318b977
1520d7c78
hex1660f55

23465813 has 8 divisors (see below), whose sum is σ = 26849280. Its totient is φ = 20090160.

The previous prime is 23465809. The next prime is 23465821. The reversal of 23465813 is 31856432.

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

It is a cyclic number.

It is not a de Polignac number, because 23465813 - 22 = 23465809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23465813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23465863) 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 7 ways as a sum of consecutive naturals, for example, 7643 + ... + 10263.

It is an arithmetic number, because the mean of its divisors is an integer number (3356160).

Almost surely, 223465813 is an apocalyptic number.

It is an amenable number.

23465813 is a deficient number, since it is larger than the sum of its proper divisors (3383467).

23465813 is a wasteful number, since it uses less digits than its factorization.

23465813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907.

The product of its digits is 17280, while the sum is 32.

The square root of 23465813 is about 4844.1524542483. The cubic root of 23465813 is about 286.2937508688.

The spelling of 23465813 in words is "twenty-three million, four hundred sixty-five thousand, eight hundred thirteen".

Divisors: 1 7 1279 2621 8953 18347 3352259 23465813