Base | Representation |
---|---|
bin | 101111110010… |
… | …0110100011101 |
3 | 1202010220022012 |
4 | 1133210310131 |
5 | 22403220433 |
6 | 2253001005 |
7 | 422650112 |
oct | 137446435 |
9 | 52126265 |
10 | 25054493 |
11 | 131628a2 |
12 | 8483165 |
13 | 5262c59 |
14 | 3482909 |
15 | 22ed848 |
hex | 17e4d1d |
25054493 has 2 divisors, whose sum is σ = 25054494. Its totient is φ = 25054492.
The previous prime is 25054487. The next prime is 25054501. The reversal of 25054493 is 39445052.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13344409 + 11710084 = 3653^2 + 3422^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-25054493 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25054793) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12527246 + 12527247.
It is an arithmetic number, because the mean of its divisors is an integer number (12527247).
Almost surely, 225054493 is an apocalyptic number.
It is an amenable number.
25054493 is a deficient number, since it is larger than the sum of its proper divisors (1).
25054493 is an equidigital number, since it uses as much as digits as its factorization.
25054493 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 21600, while the sum is 32.
The square root of 25054493 is about 5005.4463337449. The cubic root of 25054493 is about 292.6140709779.
The spelling of 25054493 in words is "twenty-five million, fifty-four thousand, four hundred ninety-three".
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