Search a number
-
+
1380339273 = 3232869779
BaseRepresentation
bin101001001000110…
…0100111001001001
310120012100111111210
41102101210321021
510311331324043
6344545243333
746130455515
oct12221447111
93505314453
101380339273
11649190365
12326333549
1318cc86901
14d1475145
15812ae633
hex52464e49

1380339273 has 12 divisors (see below), whose sum is σ = 1923953360. Its totient is φ = 880215336.

The previous prime is 1380339229. The next prime is 1380339307. The reversal of 1380339273 is 3729330831.

It is not a de Polignac number, because 1380339273 - 26 = 1380339209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380339223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433303 + ... + 436476.

Almost surely, 21380339273 is an apocalyptic number.

It is an amenable number.

1380339273 is a deficient number, since it is larger than the sum of its proper divisors (543614087).

1380339273 is an equidigital number, since it uses as much as digits as its factorization.

1380339273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869828 (or 869805 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 1380339273 is about 37152.9174224582. The cubic root of 1380339273 is about 1113.4275119533.

The spelling of 1380339273 in words is "one billion, three hundred eighty million, three hundred thirty-nine thousand, two hundred seventy-three".

Divisors: 1 3 23 69 529 1587 869779 2609337 20004917 60014751 460113091 1380339273