Base | Representation |
---|---|
bin | 110010100000… |
… | …100001101110 |
3 | 220220200110022 |
4 | 302200201232 |
5 | 11342143210 |
6 | 1151442142 |
7 | 220353560 |
oct | 62404156 |
9 | 26820408 |
10 | 13240430 |
11 | 7523805 |
12 | 4526352 |
13 | 2987798 |
14 | 1a89330 |
15 | 1268155 |
hex | ca086e |
13240430 has 16 divisors (see below), whose sum is σ = 27237600. Its totient is φ = 4539552.
The previous prime is 13240421. The next prime is 13240453. The reversal of 13240430 is 3404231.
It is a junction number, because it is equal to n+sod(n) for n = 13240399 and 13240408.
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, 94505 + ... + 94644.
It is an arithmetic number, because the mean of its divisors is an integer number (1702350).
Almost surely, 213240430 is an apocalyptic number.
13240430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13240430 is an abundant number, since it is smaller than the sum of its proper divisors (13997170).
13240430 is a wasteful number, since it uses less digits than its factorization.
13240430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189163.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 13240430 is about 3638.7401665961. The cubic root of 13240430 is about 236.5741907654.
Adding to 13240430 its reverse (3404231), we get a palindrome (16644661).
The spelling of 13240430 in words is "thirteen million, two hundred forty thousand, four hundred thirty".
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