Search a number
-
+
1441210220 = 225301923869
BaseRepresentation
bin101010111100111…
…0001111101101100
310201102220001202022
41111321301331230
510422422211340
6355002045312
750500041032
oct12571617554
93642801668
101441210220
1167a58662a
123427a9838
1319c77a118
14d959c552
15867d53b5
hex55e71f6c

1441210220 has 24 divisors (see below), whose sum is σ = 3027670800. Its totient is φ = 576268992.

The previous prime is 1441210213. The next prime is 1441210247. The reversal of 1441210220 is 220121441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48446 + ... + 72314.

It is an arithmetic number, because the mean of its divisors is an integer number (126152950).

Almost surely, 21441210220 is an apocalyptic number.

1441210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1441210220 is an abundant number, since it is smaller than the sum of its proper divisors (1586460580).

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

1441210220 is a wasteful number, since it uses less digits than its factorization.

1441210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26897 (or 26895 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1441210220 is about 37963.2746216656. The cubic root of 1441210220 is about 1129.5594962482.

Adding to 1441210220 its reverse (220121441), we get a palindrome (1661331661).

The spelling of 1441210220 in words is "one billion, four hundred forty-one million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 3019 6038 12076 15095 23869 30190 47738 60380 95476 119345 238690 477380 72060511 144121022 288242044 360302555 720605110 1441210220