Base | Representation |
---|---|
bin | 1001100110110… |
… | …11000011110010 |
3 | 12121122100101100 |
4 | 10303123003302 |
5 | 131112322132 |
6 | 11555145230 |
7 | 1665665322 |
oct | 463330362 |
9 | 177570340 |
10 | 80589042 |
11 | 41543816 |
12 | 22ba5216 |
13 | 13908531 |
14 | a9bb282 |
15 | 711d37c |
hex | 4cdb0f2 |
80589042 has 24 divisors (see below), whose sum is σ = 175727916. Its totient is φ = 26690976.
The previous prime is 80589031. The next prime is 80589043. The reversal of 80589042 is 24098508.
It can be written as a sum of positive squares in 2 ways, for example, as 79762761 + 826281 = 8931^2 + 909^2 .
It is a junction number, because it is equal to n+sod(n) for n = 80588988 and 80589006.
It is not an unprimeable number, because it can be changed into a prime (80589043) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11433 + ... + 17084.
Almost surely, 280589042 is an apocalyptic number.
80589042 is an abundant number, since it is smaller than the sum of its proper divisors (95138874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80589042 is a wasteful number, since it uses less digits than its factorization.
80589042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28682 (or 28679 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 80589042 is about 8977.1399677180. The cubic root of 80589042 is about 431.9418967638.
The spelling of 80589042 in words is "eighty million, five hundred eighty-nine thousand, forty-two".
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