[go: up one dir, main page]

Search a number
-
+
1444224319 = 472837877
BaseRepresentation
bin101011000010101…
…0001110100111111
310201122120012022121
41112011101310333
510424210134234
6355150423411
750534463346
oct12605216477
93648505277
101444224319
1168125511a
12343801b67
131a0294005
14d9b44b5d
1586bcd4b4
hex56151d3f

1444224319 has 12 divisors (see below), whose sum is σ = 1493574264. Its totient is φ = 1396288784.

The previous prime is 1444224289. The next prime is 1444224337. The reversal of 1444224319 is 9134224441.

It is not a de Polignac number, because 1444224319 - 27 = 1444224191 is a prime.

It is a super-2 number, since 2×14442243192 = 4171567767182027522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444224619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179409 + ... + 187285.

It is an arithmetic number, because the mean of its divisors is an integer number (124464522).

Almost surely, 21444224319 is an apocalyptic number.

1444224319 is a deficient number, since it is larger than the sum of its proper divisors (49349945).

1444224319 is an frugal number, since it uses more digits than its factorization.

1444224319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054 (or 8007 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 1444224319 is about 38002.9514511702. The cubic root of 1444224319 is about 1130.3463889650.

The spelling of 1444224319 in words is "one billion, four hundred forty-four million, two hundred twenty-four thousand, three hundred nineteen".

Divisors: 1 47 83 2209 3901 7877 183347 370219 653791 17400293 30728177 1444224319