Base | Representation |
---|---|
bin | 1000111110000… |
… | …11101101011101 |
3 | 12020121010022111 |
4 | 10133003231131 |
5 | 123231004100 |
6 | 11244514021 |
7 | 1602422200 |
oct | 437035535 |
9 | 166533274 |
10 | 75250525 |
11 | 39527919 |
12 | 2124b911 |
13 | 1278964c |
14 | 9dcb937 |
15 | 69166ba |
hex | 47c3b5d |
75250525 has 36 divisors (see below), whose sum is σ = 110939328. Its totient is φ = 50463840.
The previous prime is 75250519. The next prime is 75250537. The reversal of 75250525 is 52505257.
It is not a de Polignac number, because 75250525 - 217 = 75119453 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 56922 + ... + 58228.
It is an arithmetic number, because the mean of its divisors is an integer number (3081648).
Almost surely, 275250525 is an apocalyptic number.
It is an amenable number.
75250525 is a deficient number, since it is larger than the sum of its proper divisors (35688803).
75250525 is a wasteful number, since it uses less digits than its factorization.
75250525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1378 (or 1366 counting only the distinct ones).
The product of its (nonzero) digits is 17500, while the sum is 31.
The square root of 75250525 is about 8674.7060468929. The cubic root of 75250525 is about 422.1853685003.
The spelling of 75250525 in words is "seventy-five million, two hundred fifty thousand, five hundred twenty-five".
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