Base | Representation |
---|---|
bin | 1100101001001… |
… | …1000010000010 |
3 | 10200210020220200 |
4 | 3022103002002 |
5 | 102033443132 |
6 | 5132350030 |
7 | 1212520311 |
oct | 312230202 |
9 | 120706820 |
10 | 53031042 |
11 | 27a31009 |
12 | 15915316 |
13 | aca9c1c |
14 | 7086278 |
15 | 49c7d7c |
hex | 3293082 |
53031042 has 12 divisors (see below), whose sum is σ = 114900630. Its totient is φ = 17677008.
The previous prime is 53031023. The next prime is 53031067. The reversal of 53031042 is 24013035.
It can be written as a sum of positive squares in only one way, i.e., 33767721 + 19263321 = 5811^2 + 4389^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2946169 = 53031042 / (5 + 3 + 0 + 3 + 1 + 0 + 4 + 2).
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, 1473067 + ... + 1473102.
Almost surely, 253031042 is an apocalyptic number.
53031042 is an abundant number, since it is smaller than the sum of its proper divisors (61869588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53031042 is a wasteful number, since it uses less digits than its factorization.
53031042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2946177 (or 2946174 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 53031042 is about 7282.2415505118. The cubic root of 53031042 is about 375.7018960920.
Adding to 53031042 its reverse (24013035), we get a palindrome (77044077).
The spelling of 53031042 in words is "fifty-three million, thirty-one thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •