Base | Representation |
---|---|
bin | 110010100000… |
… | …100011101000 |
3 | 220220200121211 |
4 | 302200203220 |
5 | 11342144202 |
6 | 1151442504 |
7 | 220354123 |
oct | 62404350 |
9 | 26820554 |
10 | 13240552 |
11 | 7523906 |
12 | 4526434 |
13 | 2987860 |
14 | 1a893ba |
15 | 12681d7 |
hex | ca08e8 |
13240552 has 32 divisors (see below), whose sum is σ = 28312200. Its totient is φ = 5750784.
The previous prime is 13240543. The next prime is 13240553. The reversal of 13240552 is 25504231.
It can be written as a sum of positive squares in 4 ways, for example, as 10850436 + 2390116 = 3294^2 + 1546^2 .
It is not an unprimeable number, because it can be changed into a prime (13240553) 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, 1977 + ... + 5512.
Almost surely, 213240552 is an apocalyptic number.
It is an amenable number.
13240552 is an abundant number, since it is smaller than the sum of its proper divisors (15071648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13240552 is a wasteful number, since it uses less digits than its factorization.
13240552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7525 (or 7521 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 13240552 is about 3638.7569306014. The cubic root of 13240552 is about 236.5749173773.
Adding to 13240552 its reverse (25504231), we get a palindrome (38744783).
The spelling of 13240552 in words is "thirteen million, two hundred forty thousand, five hundred fifty-two".
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