Base | Representation |
---|---|
bin | 1010011000010… |
… | …11100100111100 |
3 | 20001212002020121 |
4 | 11030023210330 |
5 | 134243013403 |
6 | 12350224324 |
7 | 2105106205 |
oct | 514134474 |
9 | 201762217 |
10 | 87079228 |
11 | 45176a05 |
12 | 251b50a4 |
13 | 1506b692 |
14 | b7ca5ac |
15 | 79a13bd |
hex | 530b93c |
87079228 has 48 divisors (see below), whose sum is σ = 162993600. Its totient is φ = 40642560.
The previous prime is 87079207. The next prime is 87079229. The reversal of 87079228 is 82297078.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87079229) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 798838 + ... + 798946.
It is an arithmetic number, because the mean of its divisors is an integer number (3395700).
Almost surely, 287079228 is an apocalyptic number.
It is an amenable number.
87079228 is a deficient number, since it is larger than the sum of its proper divisors (75914372).
87079228 is a wasteful number, since it uses less digits than its factorization.
87079228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 310 (or 308 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 43.
The square root of 87079228 is about 9331.6251532088. The cubic root of 87079228 is about 443.2392282719.
The spelling of 87079228 in words is "eighty-seven million, seventy-nine thousand, two hundred twenty-eight".
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