Base | Representation |
---|---|
bin | 1000111110001… |
… | …11000010000011 |
3 | 12020121210222102 |
4 | 10133013002003 |
5 | 123231423011 |
6 | 11245101015 |
7 | 1602506645 |
oct | 437070203 |
9 | 166553872 |
10 | 75264131 |
11 | 39537068 |
12 | 2125776b |
13 | 127928b7 |
14 | 9dd2895 |
15 | 691a73b |
hex | 47c7083 |
75264131 has 2 divisors, whose sum is σ = 75264132. Its totient is φ = 75264130.
The previous prime is 75264113. The next prime is 75264139. The reversal of 75264131 is 13146257.
Together with previous prime (75264113) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is an emirp because it is prime and its reverse (13146257) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 75264131 - 26 = 75264067 is a prime.
It is a super-2 number, since 2×752641312 = 11329378830370322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 75264094 and 75264103.
It is not a weakly prime, because it can be changed into another prime (75264139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37632065 + 37632066.
It is an arithmetic number, because the mean of its divisors is an integer number (37632066).
Almost surely, 275264131 is an apocalyptic number.
75264131 is a deficient number, since it is larger than the sum of its proper divisors (1).
75264131 is an equidigital number, since it uses as much as digits as its factorization.
75264131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5040, while the sum is 29.
The square root of 75264131 is about 8675.4902455135. The cubic root of 75264131 is about 422.2108119903.
The spelling of 75264131 in words is "seventy-five million, two hundred sixty-four thousand, one hundred thirty-one".
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