Base | Representation |
---|---|
bin | 101111110011… |
… | …100101001101 |
3 | 212120200201211 |
4 | 233303211031 |
5 | 11202011140 |
6 | 1124334421 |
7 | 211343401 |
oct | 57634515 |
9 | 25520654 |
10 | 12532045 |
11 | 708a569 |
12 | 4244411 |
13 | 279a216 |
14 | 1943101 |
15 | 11782ea |
hex | bf394d |
12532045 has 4 divisors (see below), whose sum is σ = 15038460. Its totient is φ = 10025632.
The previous prime is 12531977. The next prime is 12532061. The reversal of 12532045 is 54023521.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54023521 = 3089 ⋅17489.
It can be written as a sum of positive squares in 2 ways, for example, as 1582564 + 10949481 = 1258^2 + 3309^2 .
It is a cyclic number.
It is not a de Polignac number, because 12532045 - 27 = 12531917 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253200 + ... + 1253209.
It is an arithmetic number, because the mean of its divisors is an integer number (3759615).
Almost surely, 212532045 is an apocalyptic number.
It is an amenable number.
12532045 is a deficient number, since it is larger than the sum of its proper divisors (2506415).
12532045 is an equidigital number, since it uses as much as digits as its factorization.
12532045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2506414.
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 12532045 is about 3540.0628525494. The cubic root of 12532045 is about 232.2775920698.
Adding to 12532045 its reverse (54023521), we get a palindrome (66555566).
The spelling of 12532045 in words is "twelve million, five hundred thirty-two thousand, forty-five".
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