Base | Representation |
---|---|
bin | 111100110011110… |
… | …101111111000110 |
3 | 2122002201201102222 |
4 | 330303311333012 |
5 | 4042134122210 |
6 | 245122532342 |
7 | 34165520222 |
oct | 7463657706 |
9 | 2562651388 |
10 | 1020223430 |
11 | 483986a66 |
12 | 2458070b2 |
13 | 13349b205 |
14 | 996d3782 |
15 | 5e878655 |
hex | 3ccf5fc6 |
1020223430 has 16 divisors (see below), whose sum is σ = 1933055280. Its totient is φ = 386610912.
The previous prime is 1020223387. The next prime is 1020223453. The reversal of 1020223430 is 343220201.
It is a junction number, because it is equal to n+sod(n) for n = 1020223399 and 1020223408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2684609 + ... + 2684988.
It is an arithmetic number, because the mean of its divisors is an integer number (120815955).
Almost surely, 21020223430 is an apocalyptic number.
1020223430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1020223430 is a deficient number, since it is larger than the sum of its proper divisors (912831850).
1020223430 is a wasteful number, since it uses less digits than its factorization.
1020223430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5369623.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 1020223430 is about 31940.9365861429. The cubic root of 1020223430 is about 1006.6962041000.
Adding to 1020223430 its reverse (343220201), we get a palindrome (1363443631).
The spelling of 1020223430 in words is "one billion, twenty million, two hundred twenty-three thousand, four hundred thirty".
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