Base | Representation |
---|---|
bin | 110011010100… |
… | …001100110001 |
3 | 221022102210020 |
4 | 303110030301 |
5 | 11420431311 |
6 | 1200154053 |
7 | 222224616 |
oct | 63241461 |
9 | 27272706 |
10 | 13452081 |
11 | 7658825 |
12 | 4608929 |
13 | 2a2cc16 |
14 | 1b0250d |
15 | 12aac06 |
hex | cd4331 |
13452081 has 4 divisors (see below), whose sum is σ = 17936112. Its totient is φ = 8968052.
The previous prime is 13452073. The next prime is 13452091. The reversal of 13452081 is 18025431.
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, and also an emirpimes, since its reverse is a distinct semiprime: 18025431 = 3 ⋅6008477.
It is a cyclic number.
It is not a de Polignac number, because 13452081 - 23 = 13452073 is a prime.
It is a super-2 number, since 2×134520812 = 361916966461122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13452001) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 2242011 + ... + 2242016.
It is an arithmetic number, because the mean of its divisors is an integer number (4484028).
Almost surely, 213452081 is an apocalyptic number.
It is an amenable number.
13452081 is a deficient number, since it is larger than the sum of its proper divisors (4484031).
13452081 is an equidigital number, since it uses as much as digits as its factorization.
13452081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4484030.
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 13452081 is about 3667.7078673199. The cubic root of 13452081 is about 237.8280953883.
The spelling of 13452081 in words is "thirteen million, four hundred fifty-two thousand, eighty-one".
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