Base | Representation |
---|---|
bin | 101011111000… |
… | …1001011000001 |
3 | 1121021220221211 |
4 | 1113301023001 |
5 | 21342223222 |
6 | 2141050121 |
7 | 366364351 |
oct | 127611301 |
9 | 47256854 |
10 | 23007937 |
11 | 11a95227 |
12 | 7856941 |
13 | 49c7584 |
14 | 30acb61 |
15 | 2047277 |
hex | 15f12c1 |
23007937 has 2 divisors, whose sum is σ = 23007938. Its totient is φ = 23007936.
The previous prime is 23007913. The next prime is 23007947. The reversal of 23007937 is 73970032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21169201 + 1838736 = 4601^2 + 1356^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23007937 is a prime.
It is a pancake number, because a pancake can be divided into 23007937 parts by 6783 straight cuts.
It is a junction number, because it is equal to n+sod(n) for n = 23007899 and 23007908.
It is not a weakly prime, because it can be changed into another prime (23007947) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11503968 + 11503969.
It is an arithmetic number, because the mean of its divisors is an integer number (11503969).
Almost surely, 223007937 is an apocalyptic number.
It is an amenable number.
23007937 is a deficient number, since it is larger than the sum of its proper divisors (1).
23007937 is an equidigital number, since it uses as much as digits as its factorization.
23007937 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7938, while the sum is 31.
The square root of 23007937 is about 4796.6589413883. The cubic root of 23007937 is about 284.4194069363.
Adding to 23007937 its reverse (73970032), we get a palindrome (96977969).
The spelling of 23007937 in words is "twenty-three million, seven thousand, nine hundred thirty-seven".
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