Base | Representation |
---|---|
bin | 110010101100… |
… | …101101011010 |
3 | 221000012220110 |
4 | 302230231122 |
5 | 11400242310 |
6 | 1152505150 |
7 | 220652214 |
oct | 62545532 |
9 | 27005813 |
10 | 13290330 |
11 | 7558249 |
12 | 454b1b6 |
13 | 29a4401 |
14 | 1a9d5b4 |
15 | 1277d20 |
hex | cacb5a |
13290330 has 16 divisors (see below), whose sum is σ = 31896864. Its totient is φ = 3544080.
The previous prime is 13290317. The next prime is 13290349. The reversal of 13290330 is 3309231.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13290297 and 13290306.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221476 + ... + 221535.
It is an arithmetic number, because the mean of its divisors is an integer number (1993554).
Almost surely, 213290330 is an apocalyptic number.
13290330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13290330 is an abundant number, since it is smaller than the sum of its proper divisors (18606534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13290330 is a wasteful number, since it uses less digits than its factorization.
13290330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 443021.
The product of its (nonzero) digits is 486, while the sum is 21.
The square root of 13290330 is about 3645.5904871502. The cubic root of 13290330 is about 236.8710152884.
Adding to 13290330 its reverse (3309231), we get a palindrome (16599561).
The spelling of 13290330 in words is "thirteen million, two hundred ninety thousand, three hundred thirty".
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