Base | Representation |
---|---|
bin | 1000111101001… |
… | …11001000011101 |
3 | 12020101011202002 |
4 | 10132213020131 |
5 | 123213232334 |
6 | 11242212045 |
7 | 1601424005 |
oct | 436471035 |
9 | 166334662 |
10 | 75133469 |
11 | 39457984 |
12 | 211b4025 |
13 | 12748298 |
14 | 9d9b005 |
15 | 68e1b7e |
hex | 47a721d |
75133469 has 2 divisors, whose sum is σ = 75133470. Its totient is φ = 75133468.
The previous prime is 75133463. The next prime is 75133477. The reversal of 75133469 is 96433157.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 45832900 + 29300569 = 6770^2 + 5413^2 .
It is a cyclic number.
It is not a de Polignac number, because 75133469 - 220 = 74084893 is a prime.
It is a super-2 number, since 2×751334692 = 11290076327947922, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (75133463) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37566734 + 37566735.
It is an arithmetic number, because the mean of its divisors is an integer number (37566735).
Almost surely, 275133469 is an apocalyptic number.
It is an amenable number.
75133469 is a deficient number, since it is larger than the sum of its proper divisors (1).
75133469 is an equidigital number, since it uses as much as digits as its factorization.
75133469 is an evil number, because the sum of its binary digits is even.
The product of its digits is 68040, while the sum is 38.
The square root of 75133469 is about 8667.9564488984. The cubic root of 75133469 is about 421.9663446577.
The spelling of 75133469 in words is "seventy-five million, one hundred thirty-three thousand, four hundred sixty-nine".
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