Base | Representation |
---|---|
bin | 11101010011001010111001 |
3 | 112110012221021 |
4 | 131103022321 |
5 | 3431240242 |
6 | 432342441 |
7 | 122166463 |
oct | 35231271 |
9 | 15405837 |
10 | 7680697 |
11 | 4376692 |
12 | 26a4a21 |
13 | 178bcbb |
14 | 103d133 |
15 | a1ab67 |
hex | 7532b9 |
7680697 has 2 divisors, whose sum is σ = 7680698. Its totient is φ = 7680696.
The previous prime is 7680691. The next prime is 7680727. The reversal of 7680697 is 7960867.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6170256 + 1510441 = 2484^2 + 1229^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7680697 is a prime.
It is a super-3 number, since 3×76806973 (a number of 22 digits) contains 333 as substring.
7680697 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (7680691) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840348 + 3840349.
It is an arithmetic number, because the mean of its divisors is an integer number (3840349).
Almost surely, 27680697 is an apocalyptic number.
It is an amenable number.
7680697 is a deficient number, since it is larger than the sum of its proper divisors (1).
7680697 is an equidigital number, since it uses as much as digits as its factorization.
7680697 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 127008, while the sum is 43.
The square root of 7680697 is about 2771.4070433626. The cubic root of 7680697 is about 197.3029343416.
The spelling of 7680697 in words is "seven million, six hundred eighty thousand, six hundred ninety-seven".
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