Base | Representation |
---|---|
bin | 1001101001101… |
… | …11101011000011 |
3 | 12122100121202011 |
4 | 10310313223003 |
5 | 131211442022 |
6 | 12011233351 |
7 | 2002135303 |
oct | 464675303 |
9 | 178317664 |
10 | 80968387 |
11 | 41782825 |
12 | 23148857 |
13 | 13a0c0b6 |
14 | aa79603 |
15 | 7195977 |
hex | 4d37ac3 |
80968387 has 2 divisors, whose sum is σ = 80968388. Its totient is φ = 80968386.
The previous prime is 80968369. The next prime is 80968397. The reversal of 80968387 is 78386908.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80968387 - 215 = 80935619 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80968387.
It is not a weakly prime, because it can be changed into another prime (80968397) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40484193 + 40484194.
It is an arithmetic number, because the mean of its divisors is an integer number (40484194).
Almost surely, 280968387 is an apocalyptic number.
80968387 is a deficient number, since it is larger than the sum of its proper divisors (1).
80968387 is an equidigital number, since it uses as much as digits as its factorization.
80968387 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 580608, while the sum is 49.
The square root of 80968387 is about 8998.2435508270. The cubic root of 80968387 is about 432.6185750818.
It can be divided in two parts, 809 and 68387, that added together give a palindrome (69196).
The spelling of 80968387 in words is "eighty million, nine hundred sixty-eight thousand, three hundred eighty-seven".
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