Base | Representation |
---|---|
bin | 101100000110… |
… | …1100000111111 |
3 | 1121111211012121 |
4 | 1120031200333 |
5 | 21404432111 |
6 | 2143343411 |
7 | 400360000 |
oct | 130154077 |
9 | 47454177 |
10 | 23124031 |
11 | 12064477 |
12 | 78b1b67 |
13 | 4a38378 |
14 | 30dd1a7 |
15 | 206b871 |
hex | 160d83f |
23124031 has 10 divisors (see below), whose sum is σ = 26979232. Its totient is φ = 19818540.
The previous prime is 23124019. The next prime is 23124037. The reversal of 23124031 is 13042132.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-23124031 is a prime.
It is a super-2 number, since 2×231240312 = 1069441619377922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23123996 and 23124014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23124037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2415 + ... + 7216.
Almost surely, 223124031 is an apocalyptic number.
23124031 is a deficient number, since it is larger than the sum of its proper divisors (3855201).
23124031 is an frugal number, since it uses more digits than its factorization.
23124031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9659 (or 9638 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 23124031 is about 4808.7452625399. The cubic root of 23124031 is about 284.8969813363.
Adding to 23124031 its reverse (13042132), we get a palindrome (36166163).
The spelling of 23124031 in words is "twenty-three million, one hundred twenty-four thousand, thirty-one".
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