Base | Representation |
---|---|
bin | 1010001110011… |
… | …0100111111110 |
3 | 2222200220211112 |
4 | 2203212213332 |
5 | 41434401203 |
6 | 4131122022 |
7 | 1030352651 |
oct | 243464776 |
9 | 88626745 |
10 | 42887678 |
11 | 22233169 |
12 | 12443312 |
13 | 8b68032 |
14 | 59a5898 |
15 | 3b726d8 |
hex | 28e69fe |
42887678 has 12 divisors (see below), whose sum is σ = 65271120. Its totient is φ = 21131760.
The previous prime is 42887659. The next prime is 42887683. The reversal of 42887678 is 87678824.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82058 + ... + 82578.
It is an arithmetic number, because the mean of its divisors is an integer number (5439260).
Almost surely, 242887678 is an apocalyptic number.
42887678 is a deficient number, since it is larger than the sum of its proper divisors (22383442).
42887678 is an frugal number, since it uses more digits than its factorization.
42887678 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1123 (or 602 counting only the distinct ones).
The product of its digits is 1204224, while the sum is 50.
The square root of 42887678 is about 6548.8684518778. The cubic root of 42887678 is about 350.0344945594.
The spelling of 42887678 in words is "forty-two million, eight hundred eighty-seven thousand, six hundred seventy-eight".
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