Base | Representation |
---|---|
bin | 101100001001… |
… | …0001000001111 |
3 | 1121112210010110 |
4 | 1120102020033 |
5 | 21411033202 |
6 | 2144011103 |
7 | 400466043 |
oct | 130221017 |
9 | 47483113 |
10 | 23142927 |
11 | 12077695 |
12 | 7900a93 |
13 | 4a43b52 |
14 | 3106023 |
15 | 207226c |
hex | 161220f |
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".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •