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544312100 = 22525443121
BaseRepresentation
bin100000011100011…
…000101100100100
31101221012220211102
4200130120230210
52103320441400
6130002255232
716326401513
oct4034305444
91357186742
10544312100
1125a282812
12132357518
13889cb587
145240c67a
1532bbc9d5
hex20718b24

544312100 has 18 divisors (see below), whose sum is σ = 1181157474. Its totient is φ = 217724800.

The previous prime is 544312081. The next prime is 544312117. The reversal of 544312100 is 1213445.

It can be written as a sum of positive squares in 3 ways, for example, as 127825636 + 416486464 = 11306^2 + 20408^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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, 2721461 + ... + 2721660.

Almost surely, 2544312100 is an apocalyptic number.

544312100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

544312100 is an abundant number, since it is smaller than the sum of its proper divisors (636845374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544312100 is a wasteful number, since it uses less digits than its factorization.

544312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443135 (or 5443128 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 544312100 is about 23330.4972085894. The cubic root of 544312100 is about 816.4871038418.

Adding to 544312100 its reverse (1213445), we get a palindrome (545525545).

The spelling of 544312100 in words is "five hundred forty-four million, three hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 5443121 10886242 21772484 27215605 54431210 108862420 136078025 272156050 544312100