Base | Representation |
---|---|
bin | 111100110100100… |
… | …111010110010110 |
3 | 2122010002222210120 |
4 | 330310213112112 |
5 | 4042212104442 |
6 | 245131132410 |
7 | 34200321546 |
oct | 7464472626 |
9 | 2563088716 |
10 | 1020425622 |
11 | 484004967 |
12 | 2458a4106 |
13 | 13353c258 |
14 | 99747326 |
15 | 5e8b84ec |
hex | 3cd27596 |
1020425622 has 16 divisors (see below), whose sum is σ = 2052650160. Its totient is φ = 338175392.
The previous prime is 1020425621. The next prime is 1020425657. The reversal of 1020425622 is 2265240201.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1020425592 and 1020425601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020425621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490497 + ... + 492572.
It is an arithmetic number, because the mean of its divisors is an integer number (128290635).
Almost surely, 21020425622 is an apocalyptic number.
1020425622 is an abundant number, since it is smaller than the sum of its proper divisors (1032224538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020425622 is a wasteful number, since it uses less digits than its factorization.
1020425622 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 983247.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 1020425622 is about 31944.1015212511. The cubic root of 1020425622 is about 1006.7627034137.
Adding to 1020425622 its reverse (2265240201), we get a palindrome (3285665823).
The spelling of 1020425622 in words is "one billion, twenty million, four hundred twenty-five thousand, six hundred twenty-two".
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