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1441432420 = 225317929429
BaseRepresentation
bin101010111101010…
…1000001101100100
310201110022100112221
41111322220031210
510423001314140
6355010522124
750501654611
oct12572501544
93643270487
101441432420
1167a71856a
12342896344
1319c8272bc
14d9619508
158682b14a
hex55ea8364

1441432420 has 48 divisors (see below), whose sum is σ = 3164313600. Its totient is φ = 550892160.

The previous prime is 1441432411. The next prime is 1441432423. The reversal of 1441432420 is 242341441.

It is not an unprimeable number, because it can be changed into a prime (1441432423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34266 + ... + 63694.

It is an arithmetic number, because the mean of its divisors is an integer number (65923200).

Almost surely, 21441432420 is an apocalyptic number.

1441432420 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 1441432420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582156800).

1441432420 is an abundant number, since it is smaller than the sum of its proper divisors (1722881180).

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

1441432420 is a wasteful number, since it uses less digits than its factorization.

1441432420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29548 (or 29546 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1441432420 is about 37966.2010214348. The cubic root of 1441432420 is about 1129.6175435797.

Adding to 1441432420 its reverse (242341441), we get a palindrome (1683773861).

The spelling of 1441432420 in words is "one billion, four hundred forty-one million, four hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 79 124 155 158 310 316 395 620 790 1580 2449 4898 9796 12245 24490 29429 48980 58858 117716 147145 294290 588580 912299 1824598 2324891 3649196 4561495 4649782 9122990 9299564 11624455 18245980 23248910 46497820 72071621 144143242 288286484 360358105 720716210 1441432420