Base | Representation |
---|---|
bin | 1010001100011… |
… | …1000110110100 |
3 | 2222110100202010 |
4 | 2203013012310 |
5 | 41421233310 |
6 | 4124244220 |
7 | 1026304404 |
oct | 243070664 |
9 | 88410663 |
10 | 42758580 |
11 | 22155177 |
12 | 123a0670 |
13 | 8b21347 |
14 | 5970804 |
15 | 3b49320 |
hex | 28c71b4 |
42758580 has 48 divisors (see below), whose sum is σ = 120141504. Its totient is φ = 11362560.
The previous prime is 42758567. The next prime is 42758581. The reversal of 42758580 is 8585724.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42758581) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18784 + ... + 20936.
It is an arithmetic number, because the mean of its divisors is an integer number (2502948).
Almost surely, 242758580 is an apocalyptic number.
It is an amenable number.
42758580 is an abundant number, since it is smaller than the sum of its proper divisors (77382924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42758580 is a wasteful number, since it uses less digits than its factorization.
42758580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2496 (or 2494 counting only the distinct ones).
The product of its (nonzero) digits is 89600, while the sum is 39.
The square root of 42758580 is about 6539.0045113916. The cubic root of 42758580 is about 349.6829237215.
The spelling of 42758580 in words is "forty-two million, seven hundred fifty-eight thousand, five hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •