Search a number
-
+
1361798974 = 21740052911
BaseRepresentation
bin101000100101011…
…0110011100111110
310111220110120000001
41101022312130332
510242110031344
6343044024514
745514046254
oct12112663476
93456416001
101361798974
116397777a8
1232009213a
13189194a13
14ccc0a5d4
157e84aed4
hex512b673e

1361798974 has 8 divisors (see below), whose sum is σ = 2162857248. Its totient is φ = 640846560.

The previous prime is 1361798941. The next prime is 1361798983. The reversal of 1361798974 is 4798971631.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20026422 + ... + 20026489.

It is an arithmetic number, because the mean of its divisors is an integer number (270357156).

Almost surely, 21361798974 is an apocalyptic number.

1361798974 is a deficient number, since it is larger than the sum of its proper divisors (801058274).

1361798974 is a wasteful number, since it uses less digits than its factorization.

1361798974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40052930.

The product of its digits is 2286144, while the sum is 55.

The square root of 1361798974 is about 36902.5605344670. The cubic root of 1361798974 is about 1108.4199508740.

The spelling of 1361798974 in words is "one billion, three hundred sixty-one million, seven hundred ninety-eight thousand, nine hundred seventy-four".

Divisors: 1 2 17 34 40052911 80105822 680899487 1361798974