Base | Representation |
---|---|
bin | 101111110011… |
… | …1100000010101 |
3 | 1202011110101121 |
4 | 1133213200111 |
5 | 22404043433 |
6 | 2253123541 |
7 | 423024145 |
oct | 137474025 |
9 | 52143347 |
10 | 25065493 |
11 | 13170092 |
12 | 84895b1 |
13 | 5267c6b |
14 | 3486925 |
15 | 2301c2d |
hex | 17e7815 |
25065493 has 2 divisors, whose sum is σ = 25065494. Its totient is φ = 25065492.
The previous prime is 25065433. The next prime is 25065511. The reversal of 25065493 is 39456052.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23444964 + 1620529 = 4842^2 + 1273^2 .
It is a cyclic number.
It is not a de Polignac number, because 25065493 - 213 = 25057301 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25065413) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12532746 + 12532747.
It is an arithmetic number, because the mean of its divisors is an integer number (12532747).
Almost surely, 225065493 is an apocalyptic number.
It is an amenable number.
25065493 is a deficient number, since it is larger than the sum of its proper divisors (1).
25065493 is an equidigital number, since it uses as much as digits as its factorization.
25065493 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32400, while the sum is 34.
The square root of 25065493 is about 5006.5450162762. The cubic root of 25065493 is about 292.6568880998.
The spelling of 25065493 in words is "twenty-five million, sixty-five thousand, four hundred ninety-three".
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