Base | Representation |
---|---|
bin | 1010001111000… |
… | …1001001101000 |
3 | 2222210002222100 |
4 | 2203301021220 |
5 | 41442241132 |
6 | 4132053400 |
7 | 1030622442 |
oct | 243611150 |
9 | 88702870 |
10 | 42930792 |
11 | 222625a3 |
12 | 12464260 |
13 | 8b81848 |
14 | 59b7492 |
15 | 3b8037c |
hex | 28f1268 |
42930792 has 24 divisors (see below), whose sum is σ = 116271090. Its totient is φ = 14310240.
The previous prime is 42930781. The next prime is 42930793. The reversal of 42930792 is 29703924.
It can be written as a sum of positive squares in only one way, i.e., 25341156 + 17589636 = 5034^2 + 4194^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (42930793) 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 5 ways as a sum of consecutive naturals, for example, 298059 + ... + 298202.
Almost surely, 242930792 is an apocalyptic number.
It is an amenable number.
42930792 is an abundant number, since it is smaller than the sum of its proper divisors (73340298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42930792 is a wasteful number, since it uses less digits than its factorization.
42930792 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 596273 (or 596266 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 42930792 is about 6552.1593387219. The cubic root of 42930792 is about 350.1517491627.
The spelling of 42930792 in words is "forty-two million, nine hundred thirty thousand, seven hundred ninety-two".
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