Base | Representation |
---|---|
bin | 101100101000… |
… | …1001111111111 |
3 | 1122000220210011 |
4 | 1121101033333 |
5 | 21442321341 |
6 | 2153324051 |
7 | 402623602 |
oct | 131211777 |
9 | 48026704 |
10 | 23401471 |
11 | 12233965 |
12 | 7a06627 |
13 | 4b04732 |
14 | 3172339 |
15 | 20c3b81 |
hex | 16513ff |
23401471 has 2 divisors, whose sum is σ = 23401472. Its totient is φ = 23401470.
The previous prime is 23401457. The next prime is 23401481. The reversal of 23401471 is 17410432.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23401471 - 221 = 21304319 is a prime.
It is a super-3 number, since 3×234014713 (a number of 23 digits) contains 333 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23401451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700735 + 11700736.
It is an arithmetic number, because the mean of its divisors is an integer number (11700736).
Almost surely, 223401471 is an apocalyptic number.
23401471 is a deficient number, since it is larger than the sum of its proper divisors (1).
23401471 is an equidigital number, since it uses as much as digits as its factorization.
23401471 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 23401471 is about 4837.5066925018. The cubic root of 23401471 is about 286.0318439774.
The spelling of 23401471 in words is "twenty-three million, four hundred one thousand, four hundred seventy-one".
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