Base | Representation |
---|---|
bin | 1001011000101… |
… | …00011101110010 |
3 | 12111010202011210 |
4 | 10230110131302 |
5 | 130123231101 |
6 | 11451220550 |
7 | 1644111600 |
oct | 454243562 |
9 | 174122153 |
10 | 78727026 |
11 | 40491864 |
12 | 22447756 |
13 | 13405b51 |
14 | a654870 |
15 | 6da17d6 |
hex | 4b14772 |
78727026 has 48 divisors (see below), whose sum is σ = 183941280. Its totient is φ = 22397760.
The previous prime is 78727007. The next prime is 78727031. The reversal of 78727026 is 62072787.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96910 + ... + 97718.
It is an arithmetic number, because the mean of its divisors is an integer number (3832110).
Almost surely, 278727026 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 78727026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91970640).
78727026 is an abundant number, since it is smaller than the sum of its proper divisors (105214254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78727026 is a wasteful number, since it uses less digits than its factorization.
78727026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1159 (or 1152 counting only the distinct ones).
The product of its (nonzero) digits is 65856, while the sum is 39.
The square root of 78727026 is about 8872.8251419714. The cubic root of 78727026 is about 428.5892580836.
The spelling of 78727026 in words is "seventy-eight million, seven hundred twenty-seven thousand, twenty-six".
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