Base | Representation |
---|---|
bin | 111100110011110… |
… | …110000110110101 |
3 | 2122002201202010022 |
4 | 330303312012311 |
5 | 4042134131200 |
6 | 245122534525 |
7 | 34165521530 |
oct | 7463660665 |
9 | 2562652108 |
10 | 1020223925 |
11 | 483987376 |
12 | 245807445 |
13 | 13349b4c6 |
14 | 996d3a17 |
15 | 5e878885 |
hex | 3ccf61b5 |
1020223925 has 24 divisors (see below), whose sum is σ = 1453924800. Its totient is φ = 695652480.
The previous prime is 1020223913. The next prime is 1020223931. The reversal of 1020223925 is 5293220201.
It is not a de Polignac number, because 1020223925 - 24 = 1020223909 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1020223894 and 1020223903.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15041 + ... + 47609.
It is an arithmetic number, because the mean of its divisors is an integer number (60580200).
Almost surely, 21020223925 is an apocalyptic number.
It is an amenable number.
1020223925 is a deficient number, since it is larger than the sum of its proper divisors (433700875).
1020223925 is a wasteful number, since it uses less digits than its factorization.
1020223925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32765 (or 32760 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 1020223925 is about 31940.9443348189. The cubic root of 1020223925 is about 1006.6963669122.
The spelling of 1020223925 in words is "one billion, twenty million, two hundred twenty-three thousand, nine hundred twenty-five".
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