Base | Representation |
---|---|
bin | 101100101100… |
… | …0011011010111 |
3 | 1122002102010001 |
4 | 1121120123113 |
5 | 21444241441 |
6 | 2154112131 |
7 | 403105402 |
oct | 131303327 |
9 | 48072101 |
10 | 23430871 |
11 | 12253a62 |
12 | 7a1b647 |
13 | 4b14c29 |
14 | 317cd39 |
15 | 20cc731 |
hex | 16586d7 |
23430871 has 2 divisors, whose sum is σ = 23430872. Its totient is φ = 23430870.
The previous prime is 23430793. The next prime is 23430877. The reversal of 23430871 is 17803432.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23430871 - 217 = 23299799 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23430877) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715435 + 11715436.
It is an arithmetic number, because the mean of its divisors is an integer number (11715436).
Almost surely, 223430871 is an apocalyptic number.
23430871 is a deficient number, since it is larger than the sum of its proper divisors (1).
23430871 is an equidigital number, since it uses as much as digits as its factorization.
23430871 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 23430871 is about 4840.5444941659. The cubic root of 23430871 is about 286.1515774339.
The spelling of 23430871 in words is "twenty-three million, four hundred thirty thousand, eight hundred seventy-one".
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