Base | Representation |
---|---|
bin | 1001011001100… |
… | …01010001101000 |
3 | 12111100202001101 |
4 | 10230301101220 |
5 | 130141020112 |
6 | 11453531144 |
7 | 1645112620 |
oct | 454612150 |
9 | 174322041 |
10 | 78845032 |
11 | 40562492 |
12 | 224a3ab4 |
13 | 13447786 |
14 | a685880 |
15 | 6dc6757 |
hex | 4b31468 |
78845032 has 32 divisors (see below), whose sum is σ = 169240320. Its totient is φ = 33733440.
The previous prime is 78845027. The next prime is 78845047. The reversal of 78845032 is 23054887.
It is a junction number, because it is equal to n+sod(n) for n = 78844982 and 78845000.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 58753 + ... + 60079.
It is an arithmetic number, because the mean of its divisors is an integer number (5288760).
Almost surely, 278845032 is an apocalyptic number.
It is an amenable number.
78845032 is an abundant number, since it is smaller than the sum of its proper divisors (90395288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78845032 is a wasteful number, since it uses less digits than its factorization.
78845032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2401 (or 2397 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 37.
The square root of 78845032 is about 8879.4725068553. The cubic root of 78845032 is about 428.8032923979.
The spelling of 78845032 in words is "seventy-eight million, eight hundred forty-five thousand, thirty-two".
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