Base | Representation |
---|---|
bin | 1001101000010… |
… | …00001101010001 |
3 | 12121222202001111 |
4 | 10310020031101 |
5 | 131134231334 |
6 | 12003133321 |
7 | 2000365423 |
oct | 464101521 |
9 | 177882044 |
10 | 80773969 |
11 | 4165a751 |
12 | 23074241 |
13 | 13971763 |
14 | aa28813 |
15 | 7158064 |
hex | 4d08351 |
80773969 has 2 divisors, whose sum is σ = 80773970. Its totient is φ = 80773968.
The previous prime is 80773951. The next prime is 80773981. The reversal of 80773969 is 96937708.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 42185025 + 38588944 = 6495^2 + 6212^2 .
It is a cyclic number.
It is not a de Polignac number, because 80773969 - 29 = 80773457 is a prime.
It is a super-2 number, since 2×807739692 = 13048868136025922, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (80773669) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40386984 + 40386985.
It is an arithmetic number, because the mean of its divisors is an integer number (40386985).
Almost surely, 280773969 is an apocalyptic number.
It is an amenable number.
80773969 is a deficient number, since it is larger than the sum of its proper divisors (1).
80773969 is an equidigital number, since it uses as much as digits as its factorization.
80773969 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 571536, while the sum is 49.
The square root of 80773969 is about 8987.4339496878. The cubic root of 80773969 is about 432.2720355216.
The spelling of 80773969 in words is "eighty million, seven hundred seventy-three thousand, nine hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •