Base | Representation |
---|---|
bin | 10101111110110… |
… | …100110100100100 |
3 | 221200221111220021 |
4 | 111332310310210 |
5 | 1223402301240 |
6 | 100332244524 |
7 | 12065445616 |
oct | 2576646444 |
9 | 850844807 |
10 | 368790820 |
11 | 17a19a002 |
12 | a3610744 |
13 | 5b535128 |
14 | 36d9cdb6 |
15 | 2259b54a |
hex | 15fb4d24 |
368790820 has 12 divisors (see below), whose sum is σ = 774460764. Its totient is φ = 147516320.
The previous prime is 368790791. The next prime is 368790841. The reversal of 368790820 is 28097863.
It can be written as a sum of positive squares in 2 ways, for example, as 102252544 + 266538276 = 10112^2 + 16326^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9219751 + ... + 9219790.
It is an arithmetic number, because the mean of its divisors is an integer number (64538397).
Almost surely, 2368790820 is an apocalyptic number.
It is an amenable number.
368790820 is an abundant number, since it is smaller than the sum of its proper divisors (405669944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
368790820 is a wasteful number, since it uses less digits than its factorization.
368790820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18439550 (or 18439548 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 43.
The square root of 368790820 is about 19203.9272025281. The cubic root of 368790820 is about 717.1225304721.
The spelling of 368790820 in words is "three hundred sixty-eight million, seven hundred ninety thousand, eight hundred twenty".
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