Search a number
-
+
23136193 = 43538051
BaseRepresentation
bin101100001000…
…0011111000001
31121112102220001
41120100133001
521410324233
62143520001
7400440313
oct130203701
947472801
1023136193
1112072623
1278b9001
134a40a72
1431037b3
15207027d
hex16107c1

23136193 has 4 divisors (see below), whose sum is σ = 23674288. Its totient is φ = 22598100.

The previous prime is 23136187. The next prime is 23136203. The reversal of 23136193 is 39163132.

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 23136193 - 25 = 23136161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23136163) 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, 268983 + ... + 269068.

It is an arithmetic number, because the mean of its divisors is an integer number (5918572).

Almost surely, 223136193 is an apocalyptic number.

It is an amenable number.

23136193 is a deficient number, since it is larger than the sum of its proper divisors (538095).

23136193 is an equidigital number, since it uses as much as digits as its factorization.

23136193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538094.

The product of its digits is 2916, while the sum is 28.

The square root of 23136193 is about 4810.0096673500. The cubic root of 23136193 is about 284.9469194261.

The spelling of 23136193 in words is "twenty-three million, one hundred thirty-six thousand, one hundred ninety-three".

Divisors: 1 43 538051 23136193