Base | Representation |
---|---|
bin | 101100001010… |
… | …1100110000111 |
3 | 1121120111121101 |
4 | 1120111212013 |
5 | 21412012002 |
6 | 2144200531 |
7 | 400555330 |
oct | 130254607 |
9 | 47514541 |
10 | 23157127 |
11 | 12087324 |
12 | 7909147 |
13 | 4a4a456 |
14 | 310b287 |
15 | 2076587 |
hex | 1615987 |
23157127 has 4 divisors (see below), whose sum is σ = 26465296. Its totient is φ = 19848960.
The previous prime is 23157119. The next prime is 23157137. The reversal of 23157127 is 72175132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23157127 - 23 = 23157119 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23157095 and 23157104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23157137) 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, 1654074 + ... + 1654087.
It is an arithmetic number, because the mean of its divisors is an integer number (6616324).
Almost surely, 223157127 is an apocalyptic number.
23157127 is a deficient number, since it is larger than the sum of its proper divisors (3308169).
23157127 is an equidigital number, since it uses as much as digits as its factorization.
23157127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3308168.
The product of its digits is 2940, while the sum is 28.
The square root of 23157127 is about 4812.1852624354. The cubic root of 23157127 is about 285.0328350391.
The spelling of 23157127 in words is "twenty-three million, one hundred fifty-seven thousand, one hundred twenty-seven".
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