Base | Representation |
---|---|
bin | 1010110101011… |
… | …1111110110101 |
3 | 10011112001111112 |
4 | 2231113332311 |
5 | 43113333031 |
6 | 4302044405 |
7 | 1061211533 |
oct | 255277665 |
9 | 104461445 |
10 | 45449141 |
11 | 23722681 |
12 | 13279705 |
13 | 9553baa |
14 | 6071153 |
15 | 3ecb62b |
hex | 2b57fb5 |
45449141 has 4 divisors (see below), whose sum is σ = 46416192. Its totient is φ = 44482092.
The previous prime is 45449137. The next prime is 45449149. The reversal of 45449141 is 14194454.
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: 14194454 = 2 ⋅7097227.
It is a cyclic number.
It is not a de Polignac number, because 45449141 - 22 = 45449137 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 45449098 and 45449107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45449149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483455 + ... + 483548.
It is an arithmetic number, because the mean of its divisors is an integer number (11604048).
Almost surely, 245449141 is an apocalyptic number.
It is an amenable number.
45449141 is a deficient number, since it is larger than the sum of its proper divisors (967051).
45449141 is an equidigital number, since it uses as much as digits as its factorization.
45449141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 967050.
The product of its digits is 11520, while the sum is 32.
The square root of 45449141 is about 6741.5978076417. The cubic root of 45449141 is about 356.8687829691.
The spelling of 45449141 in words is "forty-five million, four hundred forty-nine thousand, one hundred forty-one".
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