Base | Representation |
---|---|
bin | 11101101000011111000001 |
3 | 112121122200202 |
4 | 131220133001 |
5 | 3442034001 |
6 | 434254545 |
7 | 123012143 |
oct | 35503701 |
9 | 15548622 |
10 | 7768001 |
11 | 442623a |
12 | 2727455 |
13 | 17bc967 |
14 | 1062c93 |
15 | a3696b |
hex | 7687c1 |
7768001 has 2 divisors, whose sum is σ = 7768002. Its totient is φ = 7768000.
The previous prime is 7767989. The next prime is 7768049. The reversal of 7768001 is 1008677.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7728400 + 39601 = 2780^2 + 199^2 .
It is a cyclic number.
It is not a de Polignac number, because 7768001 - 214 = 7751617 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (7768081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3884000 + 3884001.
It is an arithmetic number, because the mean of its divisors is an integer number (3884001).
Almost surely, 27768001 is an apocalyptic number.
It is an amenable number.
7768001 is a deficient number, since it is larger than the sum of its proper divisors (1).
7768001 is an equidigital number, since it uses as much as digits as its factorization.
7768001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2352, while the sum is 29.
The square root of 7768001 is about 2787.1133812603. The cubic root of 7768001 is about 198.0476792296.
The spelling of 7768001 in words is "seven million, seven hundred sixty-eight thousand, one".
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