Base | Representation |
---|---|
bin | 1000100010111… |
… | …00001101110011 |
3 | 11222212202200112 |
4 | 10101130031303 |
5 | 121322242013 |
6 | 11040211535 |
7 | 1530164111 |
oct | 421341563 |
9 | 158782615 |
10 | 71680883 |
11 | 375099aa |
12 | 20009bab |
13 | 11b09931 |
14 | 973cab1 |
15 | 645dba8 |
hex | 445c373 |
71680883 has 2 divisors, whose sum is σ = 71680884. Its totient is φ = 71680882.
The previous prime is 71680879. The next prime is 71680919. The reversal of 71680883 is 38808617.
It is a weak prime.
It is an emirp because it is prime and its reverse (38808617) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 71680883 - 22 = 71680879 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 71680883.
It is not a weakly prime, because it can be changed into another prime (71680813) 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, 35840441 + 35840442.
It is an arithmetic number, because the mean of its divisors is an integer number (35840442).
Almost surely, 271680883 is an apocalyptic number.
71680883 is a deficient number, since it is larger than the sum of its proper divisors (1).
71680883 is an equidigital number, since it uses as much as digits as its factorization.
71680883 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64512, while the sum is 41.
The square root of 71680883 is about 8466.4563425320. The cubic root of 71680883 is about 415.4012338599.
The spelling of 71680883 in words is "seventy-one million, six hundred eighty thousand, eight hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •