Base | Representation |
---|---|
bin | 1000111111101… |
… | …11010000001001 |
3 | 12020222211220121 |
4 | 10133313100021 |
5 | 123304233031 |
6 | 11253223241 |
7 | 1604261533 |
oct | 437672011 |
9 | 166884817 |
10 | 75461641 |
11 | 396614a2 |
12 | 21331b21 |
13 | 12831778 |
14 | a044853 |
15 | 6959011 |
hex | 47f7409 |
75461641 has 2 divisors, whose sum is σ = 75461642. Its totient is φ = 75461640.
The previous prime is 75461627. The next prime is 75461651. The reversal of 75461641 is 14616457.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 58064400 + 17397241 = 7620^2 + 4171^2 .
It is a cyclic number.
It is not a de Polignac number, because 75461641 - 25 = 75461609 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 75461597 and 75461606.
It is not a weakly prime, because it can be changed into another prime (75461651) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37730820 + 37730821.
It is an arithmetic number, because the mean of its divisors is an integer number (37730821).
Almost surely, 275461641 is an apocalyptic number.
It is an amenable number.
75461641 is a deficient number, since it is larger than the sum of its proper divisors (1).
75461641 is an equidigital number, since it uses as much as digits as its factorization.
75461641 is an evil number, because the sum of its binary digits is even.
The product of its digits is 20160, while the sum is 34.
The square root of 75461641 is about 8686.8660056432. The cubic root of 75461641 is about 422.5798147591.
The spelling of 75461641 in words is "seventy-five million, four hundred sixty-one thousand, six hundred forty-one".
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