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1044421300 = 2252135631427
BaseRepresentation
bin111110010000001…
…001101010110100
32200210021002200101
4332100021222310
54114332440200
6251345323444
734611302026
oct7620115264
92623232611
101044421300
114966041aa
12251936584
131384c1290
149c9d2016
1561a5826a
hex3e409ab4

1044421300 has 72 divisors (see below), whose sum is σ = 2446780896. Its totient is φ = 384677760.

The previous prime is 1044421253. The next prime is 1044421303. The reversal of 1044421300 is 31244401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044421303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 731187 + ... + 732613.

It is an arithmetic number, because the mean of its divisors is an integer number (33983068).

Almost surely, 21044421300 is an apocalyptic number.

1044421300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044421300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223390448).

1044421300 is an abundant number, since it is smaller than the sum of its proper divisors (1402359596).

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

1044421300 is a wasteful number, since it uses less digits than its factorization.

1044421300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1044421300 is about 32317.5076390491. The cubic root of 1044421300 is about 1014.5931053661.

Adding to 1044421300 its reverse (31244401), we get a palindrome (1075665701).

The spelling of 1044421300 in words is "one billion, forty-four million, four hundred twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 563 650 1126 1300 1427 2252 2815 2854 5630 5708 7135 7319 11260 14075 14270 14638 18551 28150 28540 29276 35675 36595 37102 56300 71350 73190 74204 92755 142700 146380 182975 185510 365950 371020 463775 731900 803401 927550 1606802 1855100 3213604 4017005 8034010 10444213 16068020 20085025 20888426 40170050 41776852 52221065 80340100 104442130 208884260 261105325 522210650 1044421300