Base | Representation |
---|---|
bin | 110010011100… |
… | …111001010000 |
3 | 220212221001021 |
4 | 302130321100 |
5 | 11341204202 |
6 | 1151245224 |
7 | 220262314 |
oct | 62347120 |
9 | 26787037 |
10 | 13225552 |
11 | 751360a |
12 | 4519814 |
13 | 2980a92 |
14 | 1a83b44 |
15 | 1263a37 |
hex | c9ce50 |
13225552 has 40 divisors (see below), whose sum is σ = 27123264. Its totient is φ = 6234624.
The previous prime is 13225549. The next prime is 13225573. The reversal of 13225552 is 25552231.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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, 30328 + ... + 30760.
Almost surely, 213225552 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13225552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13561632).
13225552 is an abundant number, since it is smaller than the sum of its proper divisors (13897712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13225552 is a wasteful number, since it uses less digits than its factorization.
13225552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 547 (or 541 counting only the distinct ones).
The product of its digits is 3000, while the sum is 25.
The square root of 13225552 is about 3636.6952030656. The cubic root of 13225552 is about 236.4855463636.
Adding to 13225552 its reverse (25552231), we get a palindrome (38777783).
The spelling of 13225552 in words is "thirteen million, two hundred twenty-five thousand, five hundred fifty-two".
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