Search a number
-
+
1444385942 = 21264157131
BaseRepresentation
bin101011000010111…
…1001010010010110
310201122212102000122
41112011321102112
510424230322232
6355154111542
750536035506
oct12605712226
93648772018
101444385942
1168135559a
1234387b5b2
131a031c74c
14d9b87a06
1586c11312
hex56179496

1444385942 has 8 divisors (see below), whose sum is σ = 2166788232. Its totient is φ = 722123200.

The previous prime is 1444385911. The next prime is 1444385959. The reversal of 1444385942 is 2495834441.

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

It is a junction number, because it is equal to n+sod(n) for n = 1444385893 and 1444385902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284 + ... + 53847.

It is an arithmetic number, because the mean of its divisors is an integer number (270848529).

Almost surely, 21444385942 is an apocalyptic number.

1444385942 is a deficient number, since it is larger than the sum of its proper divisors (722402290).

1444385942 is a wasteful number, since it uses less digits than its factorization.

1444385942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69774.

The product of its digits is 552960, while the sum is 44.

The square root of 1444385942 is about 38005.0778449407. The cubic root of 1444385942 is about 1130.3885530429.

The spelling of 1444385942 in words is "one billion, four hundred forty-four million, three hundred eighty-five thousand, nine hundred forty-two".

Divisors: 1 2 12641 25282 57131 114262 722192971 1444385942