Base | Representation |
---|---|
bin | 1000111110010… |
… | …01111000110001 |
3 | 12020122102000112 |
4 | 10133021320301 |
5 | 123232311300 |
6 | 11245231105 |
7 | 1602556022 |
oct | 437117061 |
9 | 166572015 |
10 | 75275825 |
11 | 39544929 |
12 | 21262495 |
13 | 12798011 |
14 | 9dd6c49 |
15 | 691de35 |
hex | 47c9e31 |
75275825 has 12 divisors (see below), whose sum is σ = 93451980. Its totient is φ = 60149760.
The previous prime is 75275819. The next prime is 75275831. The reversal of 75275825 is 52857257.
It is an interprime number because it is at equal distance from previous prime (75275819) and next prime (75275831).
It can be written as a sum of positive squares in 6 ways, for example, as 35988001 + 39287824 = 5999^2 + 6268^2 .
It is not a de Polignac number, because 75275825 - 28 = 75275569 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34157 + ... + 36293.
It is an arithmetic number, because the mean of its divisors is an integer number (7787665).
Almost surely, 275275825 is an apocalyptic number.
It is an amenable number.
75275825 is a deficient number, since it is larger than the sum of its proper divisors (18176155).
75275825 is a wasteful number, since it uses less digits than its factorization.
75275825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3556 (or 3551 counting only the distinct ones).
The product of its digits is 196000, while the sum is 41.
The square root of 75275825 is about 8676.1641870126. The cubic root of 75275825 is about 422.2326775522.
The spelling of 75275825 in words is "seventy-five million, two hundred seventy-five thousand, eight hundred twenty-five".
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