Search a number
-
+
193482239 = 414719079
BaseRepresentation
bin10111000100001…
…00110111111111
3111111001220201212
423202010313333
5344012412424
631110555035
74536400106
oct1342046777
9444056655
10193482239
119a241085
1254968a7b
1331114742
141b9a703d
1511ebd10e
hexb884dff

193482239 has 4 divisors (see below), whose sum is σ = 198201360. Its totient is φ = 188763120.

The previous prime is 193482217. The next prime is 193482251. The reversal of 193482239 is 932284391.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-193482239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 4719079 = 193482239 / (1 + 9 + 3 + 4 + 8 + 2 + 2 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 193482196 and 193482205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193482209) 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 3 ways as a sum of consecutive naturals, for example, 2359499 + ... + 2359580.

It is an arithmetic number, because the mean of its divisors is an integer number (49550340).

Almost surely, 2193482239 is an apocalyptic number.

193482239 is a deficient number, since it is larger than the sum of its proper divisors (4719121).

193482239 is an equidigital number, since it uses as much as digits as its factorization.

193482239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719120.

The product of its digits is 93312, while the sum is 41.

The square root of 193482239 is about 13909.7893226317. The cubic root of 193482239 is about 578.3805787287.

The spelling of 193482239 in words is "one hundred ninety-three million, four hundred eighty-two thousand, two hundred thirty-nine".

Divisors: 1 41 4719079 193482239