Search a number
-
+
23142927 = 353592467
BaseRepresentation
bin101100001001…
…0001000001111
31121112210010110
41120102020033
521411033202
62144011103
7400466043
oct130221017
947483113
1023142927
1112077695
127900a93
134a43b52
143106023
15207226c
hex161220f

23142927 has 16 divisors (see below), whose sum is σ = 31985280. Its totient is φ = 14874912.

The previous prime is 23142919. The next prime is 23142929. The reversal of 23142927 is 72924132.

It is not a de Polignac number, because 23142927 - 23 = 23142919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23142894 and 23142903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23142929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8148 + ... + 10614.

It is an arithmetic number, because the mean of its divisors is an integer number (1999080).

Almost surely, 223142927 is an apocalyptic number.

23142927 is a deficient number, since it is larger than the sum of its proper divisors (8842353).

23142927 is a wasteful number, since it uses less digits than its factorization.

23142927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582.

The product of its digits is 6048, while the sum is 30.

The square root of 23142927 is about 4810.7096150152. The cubic root of 23142927 is about 284.9745622110.

The spelling of 23142927 in words is "twenty-three million, one hundred forty-two thousand, nine hundred twenty-seven".

Divisors: 1 3 53 59 159 177 2467 3127 7401 9381 130751 145553 392253 436659 7714309 23142927