Base | Representation |
---|---|
bin | 1001100100101… |
… | …10011011111011 |
3 | 12121010001211000 |
4 | 10302112123323 |
5 | 131024323323 |
6 | 11545140043 |
7 | 1663415001 |
oct | 462263373 |
9 | 177101730 |
10 | 80307963 |
11 | 4137161a |
12 | 22a8a623 |
13 | 1383a608 |
14 | a946a71 |
15 | 70b4e43 |
hex | 4c966fb |
80307963 has 8 divisors (see below), whose sum is σ = 118974800. Its totient is φ = 53538624.
The previous prime is 80307959. The next prime is 80307977. The reversal of 80307963 is 36970308.
It is not a de Polignac number, because 80307963 - 22 = 80307959 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80307923) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487158 + ... + 1487211.
It is an arithmetic number, because the mean of its divisors is an integer number (14871850).
Almost surely, 280307963 is an apocalyptic number.
80307963 is a deficient number, since it is larger than the sum of its proper divisors (38666837).
80307963 is a wasteful number, since it uses less digits than its factorization.
80307963 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2974378 (or 2974372 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 80307963 is about 8961.4710287988. The cubic root of 80307963 is about 431.4391351855.
The spelling of 80307963 in words is "eighty million, three hundred seven thousand, nine hundred sixty-three".
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