Base | Representation |
---|---|
bin | 110010100000… |
… | …100011100100 |
3 | 220220200121200 |
4 | 302200203210 |
5 | 11342144143 |
6 | 1151442500 |
7 | 220354116 |
oct | 62404344 |
9 | 26820550 |
10 | 13240548 |
11 | 7523902 |
12 | 4526430 |
13 | 2987859 |
14 | 1a893b6 |
15 | 12681d3 |
hex | ca08e4 |
13240548 has 36 divisors (see below), whose sum is σ = 34926528. Its totient is φ = 4221360.
The previous prime is 13240543. The next prime is 13240553. The reversal of 13240548 is 84504231.
It is an interprime number because it is at equal distance from previous prime (13240543) and next prime (13240553).
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×132405482 = 350624222680608, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13240541) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7168 + ... + 8823.
Almost surely, 213240548 is an apocalyptic number.
13240548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13240548 is an abundant number, since it is smaller than the sum of its proper divisors (21685980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13240548 is a wasteful number, since it uses less digits than its factorization.
13240548 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16024 (or 16019 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 13240548 is about 3638.7563809631. The cubic root of 13240548 is about 236.5748935540.
Adding to 13240548 its reverse (84504231), we get a palindrome (97744779).
The spelling of 13240548 in words is "thirteen million, two hundred forty thousand, five hundred forty-eight".
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