Base | Representation |
---|---|
bin | 110000011010… |
… | …0010101100001 |
3 | 1202202110002011 |
4 | 1200310111201 |
5 | 22444131233 |
6 | 2303552521 |
7 | 425504506 |
oct | 140642541 |
9 | 52673064 |
10 | 25380193 |
11 | 13365573 |
12 | 85bb741 |
13 | 5348287 |
14 | 35294ad |
15 | 23650cd |
hex | 1834561 |
25380193 has 2 divisors, whose sum is σ = 25380194. Its totient is φ = 25380192.
The previous prime is 25380161. The next prime is 25380211. The reversal of 25380193 is 39108352.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20684304 + 4695889 = 4548^2 + 2167^2 .
It is a cyclic number.
It is not a de Polignac number, because 25380193 - 25 = 25380161 is a prime.
It is a super-3 number, since 3×253801933 (a number of 23 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (25381193) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12690096 + 12690097.
It is an arithmetic number, because the mean of its divisors is an integer number (12690097).
Almost surely, 225380193 is an apocalyptic number.
It is an amenable number.
25380193 is a deficient number, since it is larger than the sum of its proper divisors (1).
25380193 is an equidigital number, since it uses as much as digits as its factorization.
25380193 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 25380193 is about 5037.8758420588. The cubic root of 25380193 is about 293.8765775305.
The spelling of 25380193 in words is "twenty-five million, three hundred eighty thousand, one hundred ninety-three".
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