Base | Representation |
---|---|
bin | 1001000100110… |
… | …10000111010110 |
3 | 12022020201222110 |
4 | 10202122013112 |
5 | 123442104401 |
6 | 11315411450 |
7 | 1613040432 |
oct | 442320726 |
9 | 168221873 |
10 | 76128726 |
11 | 39a77703 |
12 | 215b3b86 |
13 | 12a062ab |
14 | a1799c2 |
15 | 6a3b9d6 |
hex | 489a1d6 |
76128726 has 16 divisors (see below), whose sum is σ = 152515584. Its totient is φ = 25333224.
The previous prime is 76128697. The next prime is 76128727. The reversal of 76128726 is 62782167.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76128727) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6810 + ... + 14093.
It is an arithmetic number, because the mean of its divisors is an integer number (9532224).
Almost surely, 276128726 is an apocalyptic number.
76128726 is an abundant number, since it is smaller than the sum of its proper divisors (76386858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76128726 is a wasteful number, since it uses less digits than its factorization.
76128726 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21515.
The product of its digits is 56448, while the sum is 39.
The square root of 76128726 is about 8725.1777059267. The cubic root of 76128726 is about 423.8213729293.
The spelling of 76128726 in words is "seventy-six million, one hundred twenty-eight thousand, seven hundred twenty-six".
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