Base | Representation |
---|---|
bin | 101100110100… |
… | …0000101010101 |
3 | 1122012200002002 |
4 | 1121220011111 |
5 | 22003314442 |
6 | 2155325045 |
7 | 403463351 |
oct | 131500525 |
9 | 48180062 |
10 | 23494997 |
11 | 12298159 |
12 | 7a50785 |
13 | 4b38186 |
14 | 3198461 |
15 | 20e1732 |
hex | 1668155 |
23494997 has 2 divisors, whose sum is σ = 23494998. Its totient is φ = 23494996.
The previous prime is 23494987. The next prime is 23495033. The reversal of 23494997 is 79949432.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22791076 + 703921 = 4774^2 + 839^2 .
It is a cyclic number.
It is not a de Polignac number, because 23494997 - 214 = 23478613 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 (23494987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11747498 + 11747499.
It is an arithmetic number, because the mean of its divisors is an integer number (11747499).
Almost surely, 223494997 is an apocalyptic number.
It is an amenable number.
23494997 is a deficient number, since it is larger than the sum of its proper divisors (1).
23494997 is an equidigital number, since it uses as much as digits as its factorization.
23494997 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 489888, while the sum is 47.
The square root of 23494997 is about 4847.1638098996. The cubic root of 23494997 is about 286.4123877909.
The spelling of 23494997 in words is "twenty-three million, four hundred ninety-four thousand, nine hundred ninety-seven".
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