Base | Representation |
---|---|
bin | 1011010001001… |
… | …1001011000001 |
3 | 10021221021122011 |
4 | 2310103023001 |
5 | 44044430244 |
6 | 4405012521 |
7 | 1112512141 |
oct | 264231301 |
9 | 107837564 |
10 | 47264449 |
11 | 24752531 |
12 | 139b4141 |
13 | 9a3b23b |
14 | 63c4921 |
15 | 4239434 |
hex | 2d132c1 |
47264449 has 4 divisors (see below), whose sum is σ = 47380420. Its totient is φ = 47148480.
The previous prime is 47264423. The next prime is 47264453. The reversal of 47264449 is 94446274.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 20638849 + 26625600 = 4543^2 + 5160^2 .
It is a cyclic number.
It is not a de Polignac number, because 47264449 - 25 = 47264417 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47264249) 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, 57372 + ... + 58189.
It is an arithmetic number, because the mean of its divisors is an integer number (11845105).
Almost surely, 247264449 is an apocalyptic number.
It is an amenable number.
47264449 is a deficient number, since it is larger than the sum of its proper divisors (115971).
47264449 is a wasteful number, since it uses less digits than its factorization.
47264449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115970.
The product of its digits is 193536, while the sum is 40.
The square root of 47264449 is about 6874.9144721953. The cubic root of 47264449 is about 361.5581868183.
The spelling of 47264449 in words is "forty-seven million, two hundred sixty-four thousand, four hundred forty-nine".
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