Base | Representation |
---|---|
bin | 11101010011000000111001 |
3 | 112110012001120 |
4 | 131103000321 |
5 | 3431230212 |
6 | 432335453 |
7 | 122164560 |
oct | 35230071 |
9 | 15405046 |
10 | 7680057 |
11 | 4376160 |
12 | 26a4589 |
13 | 178b918 |
14 | 103cbd7 |
15 | a1a88c |
hex | 753039 |
7680057 has 16 divisors (see below), whose sum is σ = 12767232. Its totient is φ = 3989520.
The previous prime is 7680037. The next prime is 7680059. The reversal of 7680057 is 7500867.
It is not a de Polignac number, because 7680057 - 26 = 7679993 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (7680059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16393 + ... + 16854.
It is an arithmetic number, because the mean of its divisors is an integer number (797952).
Almost surely, 27680057 is an apocalyptic number.
7680057 is a gapful number since it is divisible by the number (77) formed by its first and last digit.
It is an amenable number.
7680057 is a deficient number, since it is larger than the sum of its proper divisors (5087175).
7680057 is a wasteful number, since it uses less digits than its factorization.
7680057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33268.
The product of its (nonzero) digits is 11760, while the sum is 33.
The square root of 7680057 is about 2771.2915761428. The cubic root of 7680057 is about 197.2974540497.
The spelling of 7680057 in words is "seven million, six hundred eighty thousand, fifty-seven".
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