Base | Representation |
---|---|
bin | 111100111100001… |
… | …100010100001010 |
3 | 2122020211220122200 |
4 | 330330030110022 |
5 | 4043214141132 |
6 | 245241501030 |
7 | 34223234061 |
oct | 7474142412 |
9 | 2566756580 |
10 | 1022412042 |
11 | 485141333 |
12 | 2464a1776 |
13 | 133a86452 |
14 | 99b031d8 |
15 | 5eb5bd7c |
hex | 3cf0c50a |
1022412042 has 12 divisors (see below), whose sum is σ = 2215226130. Its totient is φ = 340804008.
The previous prime is 1022412019. The next prime is 1022412047. The reversal of 1022412042 is 2402142201.
It can be written as a sum of positive squares in only one way, i.e., 624050361 + 398361681 = 24981^2 + 19959^2 .
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: 56800669 = 1022412042 / (1 + 0 + 2 + 2 + 4 + 1 + 2 + 0 + 4 + 2).
It is not an unprimeable number, because it can be changed into a prime (1022412047) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28400317 + ... + 28400352.
Almost surely, 21022412042 is an apocalyptic number.
1022412042 is an abundant number, since it is smaller than the sum of its proper divisors (1192814088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1022412042 is a wasteful number, since it uses less digits than its factorization.
1022412042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56800677 (or 56800674 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 1022412042 is about 31975.1785296032. The cubic root of 1022412042 is about 1007.4155542930.
Adding to 1022412042 its reverse (2402142201), we get a palindrome (3424554243).
The spelling of 1022412042 in words is "one billion, twenty-two million, four hundred twelve thousand, forty-two".
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