Base | Representation |
---|---|
bin | 1010000010110… |
… | …1010001100100 |
3 | 2221021100102020 |
4 | 2200231101210 |
5 | 41241102414 |
6 | 4102543140 |
7 | 1021041366 |
oct | 240552144 |
9 | 87240366 |
10 | 42128484 |
11 | 21864832 |
12 | 12137ab0 |
13 | 89605c8 |
14 | 5848d36 |
15 | 3a727a9 |
hex | 282d464 |
42128484 has 24 divisors (see below), whose sum is σ = 100698528. Its totient is φ = 13700160.
The previous prime is 42128477. The next prime is 42128549. The reversal of 42128484 is 48482124.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42322 + ... + 43305.
It is an arithmetic number, because the mean of its divisors is an integer number (4195772).
Almost surely, 242128484 is an apocalyptic number.
It is an amenable number.
42128484 is an abundant number, since it is smaller than the sum of its proper divisors (58570044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42128484 is a wasteful number, since it uses less digits than its factorization.
42128484 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85675 (or 85673 counting only the distinct ones).
The product of its digits is 16384, while the sum is 33.
The square root of 42128484 is about 6490.6458846559. The cubic root of 42128484 is about 347.9567590612.
The spelling of 42128484 in words is "forty-two million, one hundred twenty-eight thousand, four hundred eighty-four".
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