Search a number
-
+
239620893 = 3200339877
BaseRepresentation
bin11100100100001…
…01001100011101
3121200220000001220
432102011030131
5442320332033
635435523553
75636513121
oct1622051435
9550800056
10239620893
111132947a6
12682b95b9
133a84a415
1423b77581
1516083bb3
hexe48531d

239620893 has 8 divisors (see below), whose sum is σ = 319662048. Its totient is φ = 159663504.

The previous prime is 239620879. The next prime is 239620903. The reversal of 239620893 is 398026932.

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

It is not a de Polignac number, because 239620893 - 28 = 239620637 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239620093) 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 7 ways as a sum of consecutive naturals, for example, 13930 + ... + 25947.

It is an arithmetic number, because the mean of its divisors is an integer number (39957756).

Almost surely, 2239620893 is an apocalyptic number.

It is an amenable number.

239620893 is a deficient number, since it is larger than the sum of its proper divisors (80041155).

239620893 is a wasteful number, since it uses less digits than its factorization.

239620893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41883.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 239620893 is about 15479.6929233108. The cubic root of 239620893 is about 621.1191138614.

The spelling of 239620893 in words is "two hundred thirty-nine million, six hundred twenty thousand, eight hundred ninety-three".

Divisors: 1 3 2003 6009 39877 119631 79873631 239620893