Base | Representation |
---|---|
bin | 1001101001100… |
… | …00100111100000 |
3 | 12122022011002211 |
4 | 10310300213200 |
5 | 131210030423 |
6 | 12010451504 |
7 | 2001655120 |
oct | 464604740 |
9 | 178264084 |
10 | 80939488 |
11 | 41763043 |
12 | 23133b94 |
13 | 139cbbb6 |
14 | aa6cc80 |
15 | 718c10d |
hex | 4d309e0 |
80939488 has 24 divisors (see below), whose sum is σ = 182114352. Its totient is φ = 34688256.
The previous prime is 80939483. The next prime is 80939489. The reversal of 80939488 is 88493908.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80939483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180445 + ... + 180892.
It is an arithmetic number, because the mean of its divisors is an integer number (7588098).
Almost surely, 280939488 is an apocalyptic number.
It is an amenable number.
80939488 is an abundant number, since it is smaller than the sum of its proper divisors (101174864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80939488 is a wasteful number, since it uses less digits than its factorization.
80939488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361354 (or 361346 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 49.
The square root of 80939488 is about 8996.6375941237. The cubic root of 80939488 is about 432.5670993047.
The spelling of 80939488 in words is "eighty million, nine hundred thirty-nine thousand, four hundred eighty-eight".
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