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54183994 = 227091997
BaseRepresentation
bin1100111010110…
…0100000111010
310202221211110121
43032230200322
5102332341434
65213203454
71225361554
oct316544072
9122854417
1054183994
1128649267
121619058a
13b2c1947
1472a64d4
154b547b4
hex33ac83a

54183994 has 4 divisors (see below), whose sum is σ = 81275994. Its totient is φ = 27091996.

The previous prime is 54183989. The next prime is 54184003. The reversal of 54183994 is 49938145.

It is a happy number.

54183994 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 can be written as a sum of positive squares in only one way, i.e., 50623225 + 3560769 = 7115^2 + 1887^2 .

It is a super-3 number, since 3×541839943 (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54183994.

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, 13545997 + ... + 13546000.

Almost surely, 254183994 is an apocalyptic number.

54183994 is a deficient number, since it is larger than the sum of its proper divisors (27092000).

54183994 is a wasteful number, since it uses less digits than its factorization.

54183994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27091999.

The product of its digits is 155520, while the sum is 43.

The square root of 54183994 is about 7360.9777883105. The cubic root of 54183994 is about 378.4051207465.

The spelling of 54183994 in words is "fifty-four million, one hundred eighty-three thousand, nine hundred ninety-four".

Divisors: 1 2 27091997 54183994