Base | Representation |
---|---|
bin | 1010001110101… |
… | …1100100111000 |
3 | 2222201221122201 |
4 | 2203223210320 |
5 | 41441023320 |
6 | 4131355544 |
7 | 1030466044 |
oct | 243534470 |
9 | 88657581 |
10 | 42907960 |
11 | 22247427 |
12 | 12452bb4 |
13 | 8b74334 |
14 | 59ad024 |
15 | 3b7870a |
hex | 28eb938 |
42907960 has 32 divisors (see below), whose sum is σ = 96791760. Its totient is φ = 17118976.
The previous prime is 42907913. The next prime is 42907961. The reversal of 42907960 is 6970924.
42907960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42907961) 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 7 ways as a sum of consecutive naturals, for example, 17532 + ... + 19828.
Almost surely, 242907960 is an apocalyptic number.
42907960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42907960 is an abundant number, since it is smaller than the sum of its proper divisors (53883800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42907960 is a wasteful number, since it uses less digits than its factorization.
42907960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2775 (or 2771 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 42907960 is about 6550.4167806331. The cubic root of 42907960 is about 350.0896641024.
The spelling of 42907960 in words is "forty-two million, nine hundred seven thousand, nine hundred sixty".
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