Search a number
-
+
1444414143 = 31925340599
BaseRepresentation
bin101011000011000…
…0000001010111111
310201122220211201010
41112012000022333
510424232223033
6355154450303
750536213644
oct12606001277
93648824633
101444414143
116813747a7
12343893993
131a032c533
14d9b93dcb
1586c19863
hex561802bf

1444414143 has 8 divisors (see below), whose sum is σ = 2027248000. Its totient is φ = 912261528.

The previous prime is 1444414121. The next prime is 1444414157. The reversal of 1444414143 is 3414144441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1444414143 - 210 = 1444413119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444414143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444414193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12670243 + ... + 12670356.

It is an arithmetic number, because the mean of its divisors is an integer number (253406000).

Almost surely, 21444414143 is an apocalyptic number.

1444414143 is a deficient number, since it is larger than the sum of its proper divisors (582833857).

1444414143 is a wasteful number, since it uses less digits than its factorization.

1444414143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25340621.

The product of its digits is 12288, while the sum is 30.

The square root of 1444414143 is about 38005.4488593412. The cubic root of 1444414143 is about 1130.3959097747.

Adding to 1444414143 its reverse (3414144441), we get a palindrome (4858558584).

The spelling of 1444414143 in words is "one billion, four hundred forty-four million, four hundred fourteen thousand, one hundred forty-three".

Divisors: 1 3 19 57 25340599 76021797 481471381 1444414143