Base | Representation |
---|---|
bin | 1001000100011… |
… | …10111010101101 |
3 | 12022011102001202 |
4 | 10202032322231 |
5 | 123434122421 |
6 | 11314415245 |
7 | 1612456631 |
oct | 442167255 |
9 | 168142052 |
10 | 76082861 |
11 | 39a461a8 |
12 | 21591525 |
13 | 129bb45a |
14 | a166dc1 |
15 | 6a2d10b |
hex | 488eead |
76082861 has 4 divisors (see below), whose sum is σ = 76100412. Its totient is φ = 76065312.
The previous prime is 76082833. The next prime is 76082893. The reversal of 76082861 is 16828067.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 26112100 + 49970761 = 5110^2 + 7069^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-76082861 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76082261) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2951 + ... + 12683.
It is an arithmetic number, because the mean of its divisors is an integer number (19025103).
Almost surely, 276082861 is an apocalyptic number.
It is an amenable number.
76082861 is a deficient number, since it is larger than the sum of its proper divisors (17551).
76082861 is an equidigital number, since it uses as much as digits as its factorization.
76082861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17550.
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 76082861 is about 8722.5489967096. The cubic root of 76082861 is about 423.7362431178.
The spelling of 76082861 in words is "seventy-six million, eighty-two thousand, eight hundred sixty-one".
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