Base | Representation |
---|---|
bin | 1001011001001… |
… | …01011001100000 |
3 | 12111021021022121 |
4 | 10230211121200 |
5 | 130132441014 |
6 | 11452514024 |
7 | 1644521032 |
oct | 454453140 |
9 | 174237277 |
10 | 78796384 |
11 | 40529987 |
12 | 2247b914 |
13 | 1342b5a4 |
14 | a671c52 |
15 | 6db7124 |
hex | 4b25660 |
78796384 has 48 divisors (see below), whose sum is σ = 162083376. Its totient is φ = 37670400.
The previous prime is 78796351. The next prime is 78796423. The reversal of 78796384 is 48369787.
It is a happy number.
It is a congruent number.
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, 71679 + ... + 72769.
It is an arithmetic number, because the mean of its divisors is an integer number (3376737).
Almost surely, 278796384 is an apocalyptic number.
78796384 is a gapful number since it is divisible by the number (74) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 78796384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81041688).
78796384 is an abundant number, since it is smaller than the sum of its proper divisors (83286992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78796384 is a wasteful number, since it uses less digits than its factorization.
78796384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1199 (or 1191 counting only the distinct ones).
The product of its digits is 2032128, while the sum is 52.
The square root of 78796384 is about 8876.7327322613. The cubic root of 78796384 is about 428.7150825942.
The spelling of 78796384 in words is "seventy-eight million, seven hundred ninety-six thousand, three hundred eighty-four".
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