Base | Representation |
---|---|
bin | 1011010000100… |
… | …0101011010111 |
3 | 10021212002200002 |
4 | 2310020223113 |
5 | 44042041323 |
6 | 4404041515 |
7 | 1112242622 |
oct | 264105327 |
9 | 107762602 |
10 | 47221463 |
11 | 24723203 |
12 | 1399329b |
13 | 9a247c3 |
14 | 63b2db9 |
15 | 422b828 |
hex | 2d08ad7 |
47221463 has 16 divisors (see below), whose sum is σ = 50948352. Its totient is φ = 43680000.
The previous prime is 47221459. The next prime is 47221469. The reversal of 47221463 is 36412274.
47221463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 47221463 - 22 = 47221459 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47221469) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67013 + ... + 67713.
It is an arithmetic number, because the mean of its divisors is an integer number (3184272).
Almost surely, 247221463 is an apocalyptic number.
47221463 is a deficient number, since it is larger than the sum of its proper divisors (3726889).
47221463 is a wasteful number, since it uses less digits than its factorization.
47221463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 826.
The product of its digits is 8064, while the sum is 29.
The square root of 47221463 is about 6871.7874676099. The cubic root of 47221463 is about 361.4485437736.
The spelling of 47221463 in words is "forty-seven million, two hundred twenty-one thousand, four hundred sixty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •