Base | Representation |
---|---|
bin | 1111100000111… |
… | …1111000100001 |
3 | 11112110020112201 |
4 | 3320033320201 |
5 | 113124424034 |
6 | 10242453201 |
7 | 1420100122 |
oct | 370177041 |
9 | 145406481 |
10 | 65076769 |
11 | 3380915a |
12 | 19964201 |
13 | 10636984 |
14 | 8900049 |
15 | 5aa7014 |
hex | 3e0fe21 |
65076769 has 8 divisors (see below), whose sum is σ = 65619720. Its totient is φ = 64536576.
The previous prime is 65076763. The next prime is 65076773. The reversal of 65076769 is 96767056.
It can be written as a sum of positive squares in 4 ways, for example, as 19918369 + 45158400 = 4463^2 + 6720^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 65076769 - 23 = 65076761 is a prime.
It is a super-2 number, since 2×650767692 = 8469971726958722, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (65076761) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80037 + ... + 80845.
It is an arithmetic number, because the mean of its divisors is an integer number (8202465).
Almost surely, 265076769 is an apocalyptic number.
It is an amenable number.
65076769 is a deficient number, since it is larger than the sum of its proper divisors (542951).
65076769 is a wasteful number, since it uses less digits than its factorization.
65076769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1379.
The product of its (nonzero) digits is 476280, while the sum is 46.
The square root of 65076769 is about 8067.0173546361. The cubic root of 65076769 is about 402.2308044010.
The spelling of 65076769 in words is "sixty-five million, seventy-six thousand, seven hundred sixty-nine".
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