Base | Representation |
---|---|
bin | 111111011111110010000 |
3 | 10220201010100 |
4 | 13323332100 |
5 | 1013040111 |
6 | 112332400 |
7 | 23454024 |
oct | 7737620 |
9 | 3821110 |
10 | 2080656 |
11 | 11a1256 |
12 | 844100 |
13 | 57b076 |
14 | 3c2384 |
15 | 2b1756 |
hex | 1fbf90 |
2080656 has 30 divisors (see below), whose sum is σ = 5823350. Its totient is φ = 693504.
The previous prime is 2080651. The next prime is 2080657. The reversal of 2080656 is 6560802.
2080656 is a `hidden beast` number, since 2 + 0 + 8 + 0 + 656 = 666.
It can be written as a sum of positive squares in only one way, i.e., 2073600 + 7056 = 1440^2 + 84^2 .
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2080651) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7081 + ... + 7368.
22080656 is an apocalyptic number.
It is an amenable number.
2080656 is an abundant number, since it is smaller than the sum of its proper divisors (3742694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2080656 is a wasteful number, since it uses less digits than its factorization.
2080656 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14463 (or 14454 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 2080656 is about 1442.4479193371. The cubic root of 2080656 is about 127.6635041911.
The spelling of 2080656 in words is "two million, eighty thousand, six hundred fifty-six".
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