Search a number
-
+
1441432730 = 25312149993
BaseRepresentation
bin101010111101010…
…1000010010011010
310201110022100222102
41111322220102122
510423001321410
6355010523402
750501655533
oct12572502232
93643270872
101441432730
1167a718821
12342896562
1319c82749a
14d961968a
158682b2a5
hex55ea849a

1441432730 has 24 divisors (see below), whose sum is σ = 2680992756. Its totient is φ = 557970240.

The previous prime is 1441432723. The next prime is 1441432807. The reversal of 1441432730 is 372341441.

It can be written as a sum of positive squares in 2 ways, for example, as 1413985609 + 27447121 = 37603^2 + 5239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1441432693 and 1441432702.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65387 + ... + 84606.

Almost surely, 21441432730 is an apocalyptic number.

1441432730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1441432730 is a deficient number, since it is larger than the sum of its proper divisors (1239560026).

1441432730 is a wasteful number, since it uses less digits than its factorization.

1441432730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150062 (or 150031 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1441432730 is about 37966.2051040132. The cubic root of 1441432730 is about 1129.6176245597.

The spelling of 1441432730 in words is "one billion, four hundred forty-one million, four hundred thirty-two thousand, seven hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 961 1922 4805 9610 149993 299986 749965 1499930 4649783 9299566 23248915 46497830 144143273 288286546 720716365 1441432730