Base | Representation |
---|---|
bin | 1001011001101… |
… | …11001011110000 |
3 | 12111101222020200 |
4 | 10230313023300 |
5 | 130142303412 |
6 | 11454235200 |
7 | 1645243311 |
oct | 454671360 |
9 | 174358220 |
10 | 78869232 |
11 | 40579692 |
12 | 224b5b00 |
13 | 134557b0 |
14 | a690608 |
15 | 6dcd9dc |
hex | 4b372f0 |
78869232 has 60 divisors (see below), whose sum is σ = 237708744. Its totient is φ = 24266880.
The previous prime is 78869227. The next prime is 78869249. The reversal of 78869232 is 23296887.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19194 + ... + 22937.
Almost surely, 278869232 is an apocalyptic number.
78869232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
78869232 is an abundant number, since it is smaller than the sum of its proper divisors (158839512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78869232 is a wasteful number, since it uses less digits than its factorization.
78869232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42158 (or 42149 counting only the distinct ones).
The product of its digits is 290304, while the sum is 45.
The square root of 78869232 is about 8880.8350958680. The cubic root of 78869232 is about 428.8471589460.
The spelling of 78869232 in words is "seventy-eight million, eight hundred sixty-nine thousand, two hundred thirty-two".
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