Base | Representation |
---|---|
bin | 101100011010… |
… | …0111110001001 |
3 | 1121211000220011 |
4 | 1120310332021 |
5 | 21430120031 |
6 | 2151031521 |
7 | 401632111 |
oct | 130647611 |
9 | 47730804 |
10 | 23285641 |
11 | 12164935 |
12 | 796b5a1 |
13 | 4a93ab2 |
14 | 3142041 |
15 | 209e6b1 |
hex | 1634f89 |
23285641 has 2 divisors, whose sum is σ = 23285642. Its totient is φ = 23285640.
The previous prime is 23285623. The next prime is 23285671. The reversal of 23285641 is 14658232.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 17015625 + 6270016 = 4125^2 + 2504^2 .
It is a cyclic number.
It is not a de Polignac number, because 23285641 - 25 = 23285609 is a prime.
It is not a weakly prime, because it can be changed into another prime (23285671) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11642820 + 11642821.
It is an arithmetic number, because the mean of its divisors is an integer number (11642821).
Almost surely, 223285641 is an apocalyptic number.
It is an amenable number.
23285641 is a deficient number, since it is larger than the sum of its proper divisors (1).
23285641 is an equidigital number, since it uses as much as digits as its factorization.
23285641 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 11520, while the sum is 31.
The square root of 23285641 is about 4825.5197647507. The cubic root of 23285641 is about 285.5591403295.
The spelling of 23285641 in words is "twenty-three million, two hundred eighty-five thousand, six hundred forty-one".
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