Base | Representation |
---|---|
bin | 101100111001… |
… | …1000101111001 |
3 | 1122021221221011 |
4 | 1121303011321 |
5 | 22011240324 |
6 | 2200313521 |
7 | 404041666 |
oct | 131630571 |
9 | 48257834 |
10 | 23540089 |
11 | 12319021 |
12 | 7a728a1 |
13 | 4b52861 |
14 | 31aaa6d |
15 | 20eec94 |
hex | 1673179 |
23540089 has 2 divisors, whose sum is σ = 23540090. Its totient is φ = 23540088.
The previous prime is 23540071. The next prime is 23540113. The reversal of 23540089 is 98004532.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22014864 + 1525225 = 4692^2 + 1235^2 .
It is a cyclic number.
It is not a de Polignac number, because 23540089 - 211 = 23538041 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23540089.
It is not a weakly prime, because it can be changed into another prime (23540009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11770044 + 11770045.
It is an arithmetic number, because the mean of its divisors is an integer number (11770045).
Almost surely, 223540089 is an apocalyptic number.
It is an amenable number.
23540089 is a deficient number, since it is larger than the sum of its proper divisors (1).
23540089 is an equidigital number, since it uses as much as digits as its factorization.
23540089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 23540089 is about 4851.8129601212. The cubic root of 23540089 is about 286.5954998809.
The spelling of 23540089 in words is "twenty-three million, five hundred forty thousand, eighty-nine".
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