Base | Representation |
---|---|
bin | 1111100000111… |
… | …1110111111011 |
3 | 11112110020111022 |
4 | 3320033313323 |
5 | 113124423411 |
6 | 10242453055 |
7 | 1420100036 |
oct | 370176773 |
9 | 145406438 |
10 | 65076731 |
11 | 33809125 |
12 | 1996418b |
13 | 10636955 |
14 | 890001d |
15 | 5aa6edb |
hex | 3e0fdfb |
65076731 has 12 divisors (see below), whose sum is σ = 69988632. Its totient is φ = 60488448.
The previous prime is 65076721. The next prime is 65076733. The reversal of 65076731 is 13767056.
It is not a de Polignac number, because 65076731 - 210 = 65075707 is a prime.
It is a super-2 number, since 2×650767312 = 8469961835292722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 65076691 and 65076700.
It is not an unprimeable number, because it can be changed into a prime (65076733) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22631 + ... + 25343.
It is an arithmetic number, because the mean of its divisors is an integer number (5832386).
Almost surely, 265076731 is an apocalyptic number.
65076731 is a deficient number, since it is larger than the sum of its proper divisors (4911901).
65076731 is a wasteful number, since it uses less digits than its factorization.
65076731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2830 (or 2813 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 35.
The square root of 65076731 is about 8067.0149993662. The cubic root of 65076731 is about 402.2307261100.
The spelling of 65076731 in words is "sixty-five million, seventy-six thousand, seven hundred thirty-one".
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