Search a number
-
+
290742907386 = 2397749597903
BaseRepresentation
bin1000011101100011010…
…00001011000111111010
31000210110101001222222010
410032301220023013322
514230420141014021
6341322045310350
730001610636211
oct4166150130772
91023411058863
10290742907386
11102337878638
12484212653b6
1321556024809
1410101926078
157869b4b976
hex43b1a0b1fa

290742907386 has 16 divisors (see below), whose sum is σ = 582081001344. Its totient is φ = 96815104704.

The previous prime is 290742907327. The next prime is 290742907391. The reversal of 290742907386 is 683709247092.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24793090 + ... + 24804813.

It is an arithmetic number, because the mean of its divisors is an integer number (36380062584).

Almost surely, 2290742907386 is an apocalyptic number.

290742907386 is an abundant number, since it is smaller than the sum of its proper divisors (291338093958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290742907386 is a wasteful number, since it uses less digits than its factorization.

290742907386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49598885.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 290742907386 in words is "two hundred ninety billion, seven hundred forty-two million, nine hundred seven thousand, three hundred eighty-six".

Divisors: 1 2 3 6 977 1954 2931 5862 49597903 99195806 148793709 297587418 48457151231 96914302462 145371453693 290742907386