Base | Representation |
---|---|
bin | 1001001000111… |
… | …10010001001100 |
3 | 12100021020111200 |
4 | 10210132101030 |
5 | 124111420103 |
6 | 11335145500 |
7 | 1620453531 |
oct | 444362114 |
9 | 170236450 |
10 | 76670028 |
11 | 3a307366 |
12 | 21815290 |
13 | 12b657a6 |
14 | a27ad88 |
15 | 6ae70a3 |
hex | 491e44c |
76670028 has 36 divisors (see below), whose sum is σ = 197095080. Its totient is φ = 25122816.
The previous prime is 76670021. The next prime is 76670071. The reversal of 76670028 is 82007667.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 76669974 and 76670001.
It is not an unprimeable number, because it can be changed into a prime (76670021) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 15925 + ... + 20172.
Almost surely, 276670028 is an apocalyptic number.
It is an amenable number.
76670028 is an abundant number, since it is smaller than the sum of its proper divisors (120425052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76670028 is a wasteful number, since it uses less digits than its factorization.
76670028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36166 (or 36161 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The square root of 76670028 is about 8756.1423012649. The cubic root of 76670028 is about 424.8235078014.
The spelling of 76670028 in words is "seventy-six million, six hundred seventy thousand, twenty-eight".
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