Base | Representation |
---|---|
bin | 1010000010110… |
… | …1110100001101 |
3 | 2221021110110100 |
4 | 2200231310031 |
5 | 41241140301 |
6 | 4103001313 |
7 | 1021051014 |
oct | 240556415 |
9 | 87243410 |
10 | 42130701 |
11 | 21866468 |
12 | 12139239 |
13 | 8961612 |
14 | 5849a7b |
15 | 3a73286 |
hex | 282dd0d |
42130701 has 12 divisors (see below), whose sum is σ = 60964540. Its totient is φ = 28036800.
The previous prime is 42130691. The next prime is 42130703. The reversal of 42130701 is 10703124.
It can be written as a sum of positive squares in 2 ways, for example, as 30536676 + 11594025 = 5526^2 + 3405^2 .
It is a de Polignac number, because none of the positive numbers 2k-42130701 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42130703) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1515 + ... + 9303.
Almost surely, 242130701 is an apocalyptic number.
It is an amenable number.
42130701 is a deficient number, since it is larger than the sum of its proper divisors (18833839).
42130701 is a wasteful number, since it uses less digits than its factorization.
42130701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8396 (or 8393 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 42130701 is about 6490.8166666453. The cubic root of 42130701 is about 347.9628626640.
Adding to 42130701 its reverse (10703124), we get a palindrome (52833825).
The spelling of 42130701 in words is "forty-two million, one hundred thirty thousand, seven hundred one".
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