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5540284421 = 72113067029
BaseRepresentation
bin1010010100011101…
…00000100000000101
3112022010000121110022
411022032200200011
542321303100141
62313431304525
7254202432500
oct51216404005
915263017408
105540284421
112393389761
1210a751b145
136a3a79b09
143a7b42137
152265cab4b
hex14a3a0805

5540284421 has 6 divisors (see below), whose sum is σ = 6444820710. Its totient is φ = 4748815176.

The previous prime is 5540284369. The next prime is 5540284447. The reversal of 5540284421 is 1244820455.

It can be written as a sum of positive squares in only one way, i.e., 3476399521 + 2063884900 = 58961^2 + 45430^2 .

It is not a de Polignac number, because 5540284421 - 218 = 5540022277 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 (5540284721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56533466 + ... + 56533563.

It is an arithmetic number, because the mean of its divisors is an integer number (1074136785).

Almost surely, 25540284421 is an apocalyptic number.

It is an amenable number.

5540284421 is a deficient number, since it is larger than the sum of its proper divisors (904536289).

5540284421 is a wasteful number, since it uses less digits than its factorization.

5540284421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113067043 (or 113067036 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

The square root of 5540284421 is about 74433.0868700204. The cubic root of 5540284421 is about 1769.4733259098.

The spelling of 5540284421 in words is "five billion, five hundred forty million, two hundred eighty-four thousand, four hundred twenty-one".

Divisors: 1 7 49 113067029 791469203 5540284421