Base | Representation |
---|---|
bin | 110010011100… |
… | …111001010001 |
3 | 220212221001022 |
4 | 302130321101 |
5 | 11341204203 |
6 | 1151245225 |
7 | 220262315 |
oct | 62347121 |
9 | 26787038 |
10 | 13225553 |
11 | 7513610 |
12 | 4519815 |
13 | 2980a93 |
14 | 1a83b45 |
15 | 1263a38 |
hex | c9ce51 |
13225553 has 8 divisors (see below), whose sum is σ = 14763936. Its totient is φ = 11743200.
The previous prime is 13225549. The next prime is 13225573. The reversal of 13225553 is 35552231.
13225553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13225553 - 22 = 13225549 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13225573) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13508 + ... + 14453.
It is an arithmetic number, because the mean of its divisors is an integer number (1845492).
Almost surely, 213225553 is an apocalyptic number.
It is an amenable number.
13225553 is a deficient number, since it is larger than the sum of its proper divisors (1538383).
13225553 is a wasteful number, since it uses less digits than its factorization.
13225553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28015.
The product of its digits is 4500, while the sum is 26.
The square root of 13225553 is about 3636.6953405530. The cubic root of 13225553 is about 236.4855523239.
Adding to 13225553 its reverse (35552231), we get a palindrome (48777784).
The spelling of 13225553 in words is "thirteen million, two hundred twenty-five thousand, five hundred fifty-three".
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