Base | Representation |
---|---|
bin | 110001110100… |
… | …000111100010 |
3 | 220120102221021 |
4 | 301310013202 |
5 | 11320333110 |
6 | 1143520054 |
7 | 215665342 |
oct | 61640742 |
9 | 26512837 |
10 | 13058530 |
11 | 740a081 |
12 | 445902a |
13 | 2922a54 |
14 | 1a3cd22 |
15 | 122e2da |
hex | c741e2 |
13058530 has 16 divisors (see below), whose sum is σ = 23547960. Its totient is φ = 5213952.
The previous prime is 13058489. The next prime is 13058537. The reversal of 13058530 is 3585031.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 10817521 + 2241009 = 3289^2 + 1497^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13058495 and 13058504.
It is not an unprimeable number, because it can be changed into a prime (13058537) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8026 + ... + 9514.
Almost surely, 213058530 is an apocalyptic number.
13058530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13058530 is a deficient number, since it is larger than the sum of its proper divisors (10489430).
13058530 is a wasteful number, since it uses less digits than its factorization.
13058530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2373.
The product of its (nonzero) digits is 1800, while the sum is 25.
The square root of 13058530 is about 3613.6588106793. The cubic root of 13058530 is about 235.4858215748.
The spelling of 13058530 in words is "thirteen million, fifty-eight thousand, five hundred thirty".
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