Base | Representation |
---|---|
bin | 110000100010… |
… | …1011001000111 |
3 | 1202212222220122 |
4 | 1201011121013 |
5 | 23003400210 |
6 | 2305252155 |
7 | 426215261 |
oct | 141053107 |
9 | 52788818 |
10 | 25450055 |
11 | 13403004 |
12 | 863405b |
13 | 5371007 |
14 | 3546b31 |
15 | 237ab55 |
hex | 1845647 |
25450055 has 8 divisors (see below), whose sum is σ = 30584400. Its totient is φ = 20330496.
The previous prime is 25450031. The next prime is 25450069. The reversal of 25450055 is 55005452.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-25450055 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536 + ... + 7154.
It is an arithmetic number, because the mean of its divisors is an integer number (3823050).
Almost surely, 225450055 is an apocalyptic number.
25450055 is a deficient number, since it is larger than the sum of its proper divisors (5134345).
25450055 is an equidigital number, since it uses as much as digits as its factorization.
25450055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7393.
The product of its (nonzero) digits is 5000, while the sum is 26.
The square root of 25450055 is about 5044.8047534072. The cubic root of 25450055 is about 294.1459739109.
The spelling of 25450055 in words is "twenty-five million, four hundred fifty thousand, fifty-five".
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