Base | Representation |
---|---|
bin | 110000100110… |
… | …1111100010101 |
3 | 1202221202221202 |
4 | 1201031330111 |
5 | 23011010302 |
6 | 2310122245 |
7 | 426422342 |
oct | 141157425 |
9 | 52852852 |
10 | 25485077 |
11 | 13427352 |
12 | 8650385 |
13 | 5383c37 |
14 | 35557c9 |
15 | 2386202 |
hex | 184df15 |
25485077 has 2 divisors, whose sum is σ = 25485078. Its totient is φ = 25485076.
The previous prime is 25485073. The next prime is 25485079. The reversal of 25485077 is 77058452.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 18054001 + 7431076 = 4249^2 + 2726^2 .
It is a cyclic number.
It is not a de Polignac number, because 25485077 - 22 = 25485073 is a prime.
Together with 25485079, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 25485077.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25485073) 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, 12742538 + 12742539.
It is an arithmetic number, because the mean of its divisors is an integer number (12742539).
Almost surely, 225485077 is an apocalyptic number.
It is an amenable number.
25485077 is a deficient number, since it is larger than the sum of its proper divisors (1).
25485077 is an equidigital number, since it uses as much as digits as its factorization.
25485077 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 78400, while the sum is 38.
The square root of 25485077 is about 5048.2746557611. The cubic root of 25485077 is about 294.2808375166.
The spelling of 25485077 in words is "twenty-five million, four hundred eighty-five thousand, seventy-seven".
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