Base | Representation |
---|---|
bin | 1010001110100… |
… | …1110011001000 |
3 | 2222201120200002 |
4 | 2203221303020 |
5 | 41440310210 |
6 | 4131302132 |
7 | 1030435604 |
oct | 243516310 |
9 | 88646602 |
10 | 42900680 |
11 | 22241a09 |
12 | 1244a948 |
13 | 8b70c24 |
14 | 59aa504 |
15 | 3b764a5 |
hex | 28e9cc8 |
42900680 has 16 divisors (see below), whose sum is σ = 96526620. Its totient is φ = 17160256.
The previous prime is 42900679. The next prime is 42900709. The reversal of 42900680 is 8600924.
It can be written as a sum of positive squares in 2 ways, for example, as 42745444 + 155236 = 6538^2 + 394^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536219 + ... + 536298.
Almost surely, 242900680 is an apocalyptic number.
42900680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42900680 is an abundant number, since it is smaller than the sum of its proper divisors (53625940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42900680 is a wasteful number, since it uses less digits than its factorization.
42900680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1072528 (or 1072524 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 42900680 is about 6549.8610672288. The cubic root of 42900680 is about 350.0698636046.
The spelling of 42900680 in words is "forty-two million, nine hundred thousand, six hundred eighty".
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