Base | Representation |
---|---|
bin | 101111110101… |
… | …1001011111111 |
3 | 1202012020002012 |
4 | 1133223023333 |
5 | 22410034300 |
6 | 2253321435 |
7 | 423116132 |
oct | 137531377 |
9 | 52166065 |
10 | 25080575 |
11 | 13180453 |
12 | 849627b |
13 | 5271aa0 |
14 | 348c219 |
15 | 2306435 |
hex | 17eb2ff |
25080575 has 12 divisors (see below), whose sum is σ = 33492648. Its totient is φ = 18520800.
The previous prime is 25080571. The next prime is 25080599. The reversal of 25080575 is 57508052.
It is a happy number.
It is not a de Polignac number, because 25080575 - 22 = 25080571 is a prime.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25080571) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38261 + ... + 38910.
It is an arithmetic number, because the mean of its divisors is an integer number (2791054).
Almost surely, 225080575 is an apocalyptic number.
25080575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
25080575 is a deficient number, since it is larger than the sum of its proper divisors (8412073).
25080575 is a wasteful number, since it uses less digits than its factorization.
25080575 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77194 (or 77189 counting only the distinct ones).
The product of its (nonzero) digits is 14000, while the sum is 32.
The square root of 25080575 is about 5008.0510181107. The cubic root of 25080575 is about 292.7155739088.
The spelling of 25080575 in words is "twenty-five million, eighty thousand, five hundred seventy-five".
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