Base | Representation |
---|---|
bin | 11111001011001… |
… | …100111000000111 |
3 | 1100110011200022100 |
4 | 133023030320013 |
5 | 2032343430043 |
6 | 123522203143 |
7 | 15650452605 |
oct | 3713147007 |
9 | 1313150270 |
10 | 523030023 |
11 | 24926721a |
12 | 1271b34b3 |
13 | 84489729 |
14 | 4d66c875 |
15 | 30db6cd3 |
hex | 1f2cce07 |
523030023 has 12 divisors (see below), whose sum is σ = 769743000. Its totient is φ = 342107376.
The previous prime is 523030021. The next prime is 523030031. The reversal of 523030023 is 320030325.
It is not a de Polignac number, because 523030023 - 21 = 523030021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 523029978 and 523030005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (523030021) 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, 547773 + ... + 548726.
It is an arithmetic number, because the mean of its divisors is an integer number (64145250).
Almost surely, 2523030023 is an apocalyptic number.
523030023 is a gapful number since it is divisible by the number (53) formed by its first and last digit.
523030023 is a deficient number, since it is larger than the sum of its proper divisors (246712977).
523030023 is a wasteful number, since it uses less digits than its factorization.
523030023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1096558 (or 1096555 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 18.
The square root of 523030023 is about 22869.8496497026. The cubic root of 523030023 is about 805.7040369393.
Adding to 523030023 its reverse (320030325), we get a palindrome (843060348).
It can be divided in two parts, 5230 and 30023, that added together give a palindrome (35253).
The spelling of 523030023 in words is "five hundred twenty-three million, thirty thousand, twenty-three".
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