Search a number
-
+
1244350439 = 23364314851
BaseRepresentation
bin100101000101011…
…0100011111100111
310012201110112220022
41022022310133213
510022023203224
6323250425355
742556542563
oct11212643747
93181415808
101244350439
115894489a2
122a889225b
1316aa52247
14bb3966a3
157439b65e
hex4a2b47e7

1244350439 has 8 divisors (see below), whose sum is σ = 1298896512. Its totient is φ = 1189841400.

The previous prime is 1244350433. The next prime is 1244350453. The reversal of 1244350439 is 9340534421.

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

It is a cyclic number.

It is not a de Polignac number, because 1244350439 - 24 = 1244350423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1244350399 and 1244350408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244350433) 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 7 ways as a sum of consecutive naturals, for example, 76364 + ... + 91214.

It is an arithmetic number, because the mean of its divisors is an integer number (162362064).

Almost surely, 21244350439 is an apocalyptic number.

1244350439 is a deficient number, since it is larger than the sum of its proper divisors (54546073).

1244350439 is a wasteful number, since it uses less digits than its factorization.

1244350439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18517.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1244350439 is about 35275.3517204294. The cubic root of 1244350439 is about 1075.5920125468.

The spelling of 1244350439 in words is "one billion, two hundred forty-four million, three hundred fifty thousand, four hundred thirty-nine".

Divisors: 1 23 3643 14851 83789 341573 54102193 1244350439