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54223142 = 227111571
BaseRepresentation
bin1100111011011…
…0000100100110
310210000211011112
43032312010212
5102340120032
65214105022
71225613651
oct316660446
9123024145
1054223142
1128675716
12161ab172
13b3066cc
1472b6898
154b611b2
hex33b6126

54223142 has 4 divisors (see below), whose sum is σ = 81334716. Its totient is φ = 27111570.

The previous prime is 54223139. The next prime is 54223171. The reversal of 54223142 is 24132245.

It is a happy number.

54223142 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 a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13555784 + ... + 13555787.

It is an arithmetic number, because the mean of its divisors is an integer number (20333679).

Almost surely, 254223142 is an apocalyptic number.

54223142 is a deficient number, since it is larger than the sum of its proper divisors (27111574).

54223142 is a wasteful number, since it uses less digits than its factorization.

54223142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27111573.

The product of its digits is 1920, while the sum is 23.

The square root of 54223142 is about 7363.6364657688. The cubic root of 54223142 is about 378.4962315238.

Adding to 54223142 its reverse (24132245), we get a palindrome (78355387).

The spelling of 54223142 in words is "fifty-four million, two hundred twenty-three thousand, one hundred forty-two".

Divisors: 1 2 27111571 54223142