Search a number
-
+
47225543 = 291628467
BaseRepresentation
bin1011010000100…
…1101011000111
310021212022021012
42310021223013
544042204133
64404112435
71112260541
oct264115307
9107768235
1047225543
1124726282
121399571b
139a26611
1463b4691
15422cb48
hex2d09ac7

47225543 has 4 divisors (see below), whose sum is σ = 48854040. Its totient is φ = 45597048.

The previous prime is 47225539. The next prime is 47225551. The reversal of 47225543 is 34552274.

47225543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47225543 - 22 = 47225539 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 (47225533) 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 3 ways as a sum of consecutive naturals, for example, 814205 + ... + 814262.

It is an arithmetic number, because the mean of its divisors is an integer number (12213510).

Almost surely, 247225543 is an apocalyptic number.

47225543 is a deficient number, since it is larger than the sum of its proper divisors (1628497).

47225543 is a wasteful number, since it uses less digits than its factorization.

47225543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628496.

The product of its digits is 33600, while the sum is 32.

The square root of 47225543 is about 6872.0843271892. The cubic root of 47225543 is about 361.4589533592.

The spelling of 47225543 in words is "forty-seven million, two hundred twenty-five thousand, five hundred forty-three".

Divisors: 1 29 1628467 47225543