Search a number
-
+
319000042 = 2831921687
BaseRepresentation
bin10011000000111…
…000110111101010
3211020020212210101
4103000320313222
51123131000132
651353140014
710622312164
oct2300706752
9736225711
10319000042
111540814a9
128a9ba60a
135112102a
143051b934
151d0137e7
hex13038dea

319000042 has 8 divisors (see below), whose sum is σ = 484265376. Its totient is φ = 157578252.

The previous prime is 319000039. The next prime is 319000043. The reversal of 319000042 is 240000913.

319000042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×3190000422 = 203522053592003528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 318999983 and 319000019.

It is not an unprimeable number, because it can be changed into a prime (319000043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960678 + ... + 961009.

It is an arithmetic number, because the mean of its divisors is an integer number (60533172).

Almost surely, 2319000042 is an apocalyptic number.

319000042 is a deficient number, since it is larger than the sum of its proper divisors (165265334).

319000042 is a wasteful number, since it uses less digits than its factorization.

319000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921772.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 319000042 is about 17860.5722752660. The cubic root of 319000042 is about 683.2771752117.

Adding to 319000042 its reverse (240000913), we get a palindrome (559000955).

The spelling of 319000042 in words is "three hundred nineteen million, forty-two", and thus it is an aban number.

Divisors: 1 2 83 166 1921687 3843374 159500021 319000042