Base | Representation |
---|---|
bin | 1001101001010… |
… | …01001010100111 |
3 | 12122020121020102 |
4 | 10310221022213 |
5 | 131203041332 |
6 | 12010054315 |
7 | 2001500126 |
oct | 464511247 |
9 | 178217212 |
10 | 80908967 |
11 | 41742117 |
12 | 2311a39b |
13 | 139bb039 |
14 | aa61abd |
15 | 7183062 |
hex | 4d292a7 |
80908967 has 4 divisors (see below), whose sum is σ = 85668336. Its totient is φ = 76149600.
The previous prime is 80908951. The next prime is 80908969. The reversal of 80908967 is 76980908.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80908967 - 24 = 80908951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80908969) 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 in 3 ways as a sum of consecutive naturals, for example, 2379659 + ... + 2379692.
It is an arithmetic number, because the mean of its divisors is an integer number (21417084).
Almost surely, 280908967 is an apocalyptic number.
80908967 is a deficient number, since it is larger than the sum of its proper divisors (4759369).
80908967 is a wasteful number, since it uses less digits than its factorization.
80908967 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4759368.
The product of its (nonzero) digits is 217728, while the sum is 47.
The square root of 80908967 is about 8994.9411893575. The cubic root of 80908967 is about 432.5127210666.
The spelling of 80908967 in words is "eighty million, nine hundred eight thousand, nine hundred sixty-seven".
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