Base | Representation |
---|---|
bin | 1001001001111… |
… | …11011011100100 |
3 | 12100112010211111 |
4 | 10210333123210 |
5 | 124130241420 |
6 | 11342114404 |
7 | 1621560535 |
oct | 444773344 |
9 | 170463744 |
10 | 76805860 |
11 | 3a39a41a |
12 | 2187ba04 |
13 | 12bb2571 |
14 | a2b468c |
15 | 6b2245a |
hex | 493f6e4 |
76805860 has 24 divisors (see below), whose sum is σ = 161566776. Its totient is φ = 30670080.
The previous prime is 76805837. The next prime is 76805863. The reversal of 76805860 is 6850867.
It can be written as a sum of positive squares in 4 ways, for example, as 9696996 + 67108864 = 3114^2 + 8192^2 .
It is a zygodrome in base 8.
It is not an unprimeable number, because it can be changed into a prime (76805863) 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, 10120 + ... + 16000.
It is an arithmetic number, because the mean of its divisors is an integer number (6731949).
Almost surely, 276805860 is an apocalyptic number.
It is an amenable number.
76805860 is an abundant number, since it is smaller than the sum of its proper divisors (84760916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76805860 is a wasteful number, since it uses less digits than its factorization.
76805860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6543 (or 6541 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 40.
The square root of 76805860 is about 8763.8952526830. The cubic root of 76805860 is about 425.0742384731.
The spelling of 76805860 in words is "seventy-six million, eight hundred five thousand, eight hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •