Base | Representation |
---|---|
bin | 101010010100111… |
… | …0000100100111111 |
3 | 10122222102022110002 |
4 | 1110221300210333 |
5 | 10402034424043 |
6 | 352532304515 |
7 | 50123532026 |
oct | 12451604477 |
9 | 3588368402 |
10 | 1420233023 |
11 | 669759100 |
12 | 33777213b |
13 | 198313c91 |
14 | d689b8bd |
15 | 84a3ebb8 |
hex | 54a7093f |
1420233023 has 12 divisors (see below), whose sum is σ = 1652913360. Its totient is φ = 1215170880.
The previous prime is 1420233011. The next prime is 1420233029. The reversal of 1420233023 is 3203320241.
It is not a de Polignac number, because 1420233023 - 26 = 1420232959 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1420232986 and 1420233004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420233029) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343163 + ... + 347276.
It is an arithmetic number, because the mean of its divisors is an integer number (137742780).
Almost surely, 21420233023 is an apocalyptic number.
1420233023 is a deficient number, since it is larger than the sum of its proper divisors (232680337).
1420233023 is a wasteful number, since it uses less digits than its factorization.
1420233023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 690478 (or 690467 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 1420233023 is about 37685.9791301752. The cubic root of 1420233023 is about 1124.0523438156.
Adding to 1420233023 its reverse (3203320241), we get a palindrome (4623553264).
The spelling of 1420233023 in words is "one billion, four hundred twenty million, two hundred thirty-three thousand, twenty-three".
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