Base | Representation |
---|---|
bin | 1001000100001… |
… | …01000011100101 |
3 | 12022002100122202 |
4 | 10202011003211 |
5 | 123431324334 |
6 | 11313504245 |
7 | 1612231106 |
oct | 442050345 |
9 | 168070582 |
10 | 76042469 |
11 | 39a18918 |
12 | 21572085 |
13 | 129a5c59 |
14 | a1563ad |
15 | 6a2117e |
hex | 48850e5 |
76042469 has 2 divisors, whose sum is σ = 76042470. Its totient is φ = 76042468.
The previous prime is 76042459. The next prime is 76042481. The reversal of 76042469 is 96424067.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 53479969 + 22562500 = 7313^2 + 4750^2 .
It is an emirp because it is prime and its reverse (96424067) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 76042469 - 24 = 76042453 is a prime.
It is a super-2 number, since 2×760424692 = 11564914183231922, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (76042429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38021234 + 38021235.
It is an arithmetic number, because the mean of its divisors is an integer number (38021235).
Almost surely, 276042469 is an apocalyptic number.
It is an amenable number.
76042469 is a deficient number, since it is larger than the sum of its proper divisors (1).
76042469 is an equidigital number, since it uses as much as digits as its factorization.
76042469 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72576, while the sum is 38.
The square root of 76042469 is about 8720.2333110990. The cubic root of 76042469 is about 423.6612433791.
The spelling of 76042469 in words is "seventy-six million, forty-two thousand, four hundred sixty-nine".
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