Base | Representation |
---|---|
bin | 1001101000111… |
… | …01111011111001 |
3 | 12122011021010210 |
4 | 10310131323321 |
5 | 131200103334 |
6 | 12005101333 |
7 | 2001216045 |
oct | 464357371 |
9 | 178137123 |
10 | 80862969 |
11 | 41710600 |
12 | 230b7849 |
13 | 139a3115 |
14 | aa4d025 |
15 | 71745e9 |
hex | 4d1def9 |
80862969 has 24 divisors (see below), whose sum is σ = 119044576. Its totient is φ = 48787200.
The previous prime is 80862959. The next prime is 80863039. The reversal of 80862969 is 96926808.
It is not a de Polignac number, because 80862969 - 215 = 80830201 is a prime.
It is a super-2 number, since 2×808629692 = 13077639510989922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80862959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119817 + ... + 120489.
Almost surely, 280862969 is an apocalyptic number.
It is an amenable number.
80862969 is a deficient number, since it is larger than the sum of its proper divisors (38181607).
80862969 is a wasteful number, since it uses less digits than its factorization.
80862969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1029 (or 1018 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 48.
The square root of 80862969 is about 8992.3839442052. The cubic root of 80862969 is about 432.4307421372.
The spelling of 80862969 in words is "eighty million, eight hundred sixty-two thousand, nine hundred sixty-nine".
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