Base | Representation |
---|---|
bin | 101100111001… |
… | …1000101100111 |
3 | 1122021221220111 |
4 | 1121303011213 |
5 | 22011240241 |
6 | 2200313451 |
7 | 404041642 |
oct | 131630547 |
9 | 48257814 |
10 | 23540071 |
11 | 12319005 |
12 | 7a72887 |
13 | 4b52849 |
14 | 31aaa59 |
15 | 20eec81 |
hex | 1673167 |
23540071 has 2 divisors, whose sum is σ = 23540072. Its totient is φ = 23540070.
The previous prime is 23540059. The next prime is 23540089. The reversal of 23540071 is 17004532.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 23540071 - 25 = 23540039 is a prime.
It is a super-3 number, since 3×235400713 (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 (23540021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11770035 + 11770036.
It is an arithmetic number, because the mean of its divisors is an integer number (11770036).
Almost surely, 223540071 is an apocalyptic number.
23540071 is a deficient number, since it is larger than the sum of its proper divisors (1).
23540071 is an equidigital number, since it uses as much as digits as its factorization.
23540071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 23540071 is about 4851.8111051441. The cubic root of 23540071 is about 286.5954268322.
The spelling of 23540071 in words is "twenty-three million, five hundred forty thousand, seventy-one".
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