Base | Representation |
---|---|
bin | 1010001110001… |
… | …0011011101011 |
3 | 2222200001021120 |
4 | 2203202123223 |
5 | 41433324012 |
6 | 4130510323 |
7 | 1030251621 |
oct | 243423353 |
9 | 88601246 |
10 | 42870507 |
11 | 22221279 |
12 | 124353a3 |
13 | 8b60284 |
14 | 599d511 |
15 | 3b6c58c |
hex | 28e26eb |
42870507 has 8 divisors (see below), whose sum is σ = 57205200. Its totient is φ = 28558080.
The previous prime is 42870493. The next prime is 42870547. The reversal of 42870507 is 70507824.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42870507 - 219 = 42346219 is a prime.
It is not an unprimeable number, because it can be changed into a prime (42870547) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382 + ... + 9267.
It is an arithmetic number, because the mean of its divisors is an integer number (7150650).
Almost surely, 242870507 is an apocalyptic number.
42870507 is a deficient number, since it is larger than the sum of its proper divisors (14334693).
42870507 is a wasteful number, since it uses less digits than its factorization.
42870507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11133.
The product of its (nonzero) digits is 15680, while the sum is 33.
The square root of 42870507 is about 6547.5573307914. The cubic root of 42870507 is about 349.9877737226.
The spelling of 42870507 in words is "forty-two million, eight hundred seventy thousand, five hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •