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54231638 = 2113239963
BaseRepresentation
bin1100111011100…
…0001001010110
310210001020211012
43032320021112
5102340403023
65214212222
71225650506
oct316701126
9123036735
1054231638
112868103a
12161b4072
13b30a536
1472b9a06
154b63978
hex33b8256

54231638 has 8 divisors (see below), whose sum is σ = 82067688. Its totient is φ = 26875744.

The previous prime is 54231613. The next prime is 54231659. The reversal of 54231638 is 83613245.

54231638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119756 + ... + 120207.

It is an arithmetic number, because the mean of its divisors is an integer number (10258461).

Almost surely, 254231638 is an apocalyptic number.

54231638 is a deficient number, since it is larger than the sum of its proper divisors (27836050).

54231638 is a wasteful number, since it uses less digits than its factorization.

54231638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240078.

The product of its digits is 17280, while the sum is 32.

The square root of 54231638 is about 7364.2133320539. The cubic root of 54231638 is about 378.5159988281.

The spelling of 54231638 in words is "fifty-four million, two hundred thirty-one thousand, six hundred thirty-eight".

Divisors: 1 2 113 226 239963 479926 27115819 54231638