Search a number
-
+
23164751 = 107216493
BaseRepresentation
bin101100001011…
…1011101001111
31121120220001202
41120113131033
521412233001
62144300115
7400616501
oct130273517
947526052
1023164751
1112092025
12791163b
134a50a6c
14310dd71
15207896b
hex161774f

23164751 has 4 divisors (see below), whose sum is σ = 23381352. Its totient is φ = 22948152.

The previous prime is 23164741. The next prime is 23164753. The reversal of 23164751 is 15746132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23164751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23164753) 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, 108140 + ... + 108353.

It is an arithmetic number, because the mean of its divisors is an integer number (5845338).

Almost surely, 223164751 is an apocalyptic number.

23164751 is a deficient number, since it is larger than the sum of its proper divisors (216601).

23164751 is a wasteful number, since it uses less digits than its factorization.

23164751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216600.

The product of its digits is 5040, while the sum is 29.

The square root of 23164751 is about 4812.9773529490. The cubic root of 23164751 is about 285.0641119745.

The spelling of 23164751 in words is "twenty-three million, one hundred sixty-four thousand, seven hundred fifty-one".

Divisors: 1 107 216493 23164751