Base | Representation |
---|---|
bin | 110011110110… |
… | …000100011101 |
3 | 221120111002110 |
4 | 303312010131 |
5 | 11434401223 |
6 | 1203144233 |
7 | 223343235 |
oct | 63660435 |
9 | 27514073 |
10 | 13590813 |
11 | 7742a85 |
12 | 4675079 |
13 | 2a7b102 |
14 | 1b3acc5 |
15 | 12d6d93 |
hex | cf611d |
13590813 has 4 divisors (see below), whose sum is σ = 18121088. Its totient is φ = 9060540.
The previous prime is 13590799. The next prime is 13590817. The reversal of 13590813 is 31809531.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 13590813 - 210 = 13589789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13590817) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 2265133 + ... + 2265138.
It is an arithmetic number, because the mean of its divisors is an integer number (4530272).
Almost surely, 213590813 is an apocalyptic number.
It is an amenable number.
13590813 is a deficient number, since it is larger than the sum of its proper divisors (4530275).
13590813 is an equidigital number, since it uses as much as digits as its factorization.
13590813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4530274.
The product of its (nonzero) digits is 3240, while the sum is 30.
The square root of 13590813 is about 3686.5719849204. The cubic root of 13590813 is about 238.6428785820.
The spelling of 13590813 in words is "thirteen million, five hundred ninety thousand, eight hundred thirteen".
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