Search a number
-
+
47442422 = 2231031357
BaseRepresentation
bin1011010011111…
…0100111110110
310022021022202202
42310332213312
544121124142
64412504502
71114153046
oct264764766
9108238682
1047442422
1124864215
1213a7b132
139aa1251
14642d726
154272032
hex2d3e9f6

47442422 has 8 divisors (see below), whose sum is σ = 74257776. Its totient is φ = 22689832.

The previous prime is 47442407. The next prime is 47442497. The reversal of 47442422 is 22424474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515633 + ... + 515724.

It is an arithmetic number, because the mean of its divisors is an integer number (9282222).

Almost surely, 247442422 is an apocalyptic number.

47442422 is a deficient number, since it is larger than the sum of its proper divisors (26815354).

47442422 is a wasteful number, since it uses less digits than its factorization.

47442422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031382.

The product of its digits is 14336, while the sum is 29.

The square root of 47442422 is about 6887.8459622730. The cubic root of 47442422 is about 362.0114309140.

Adding to 47442422 its reverse (22424474), we get a palindrome (69866896).

The spelling of 47442422 in words is "forty-seven million, four hundred forty-two thousand, four hundred twenty-two".

Divisors: 1 2 23 46 1031357 2062714 23721211 47442422