Search a number
-
+
319026319 = 2137149287
BaseRepresentation
bin10011000000111…
…111010010001111
3211020022012211121
4103000333102033
51123132320234
651353501411
710622451613
oct2300772217
9736265747
10319026319
1115409a217
128aa11867
135112cc91
1430527343
151d01b4b4
hex1303f48f

319026319 has 4 divisors (see below), whose sum is σ = 319177744. Its totient is φ = 318874896.

The previous prime is 319026299. The next prime is 319026343. The reversal of 319026319 is 913620913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913620913 = 937975049.

It is a cyclic number.

It is not a de Polignac number, because 319026319 - 25 = 319026287 is a prime.

It is a super-2 number, since 2×3190263192 = 203555584429379522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319026919) 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, 72507 + ... + 76780.

It is an arithmetic number, because the mean of its divisors is an integer number (79794436).

Almost surely, 2319026319 is an apocalyptic number.

319026319 is a deficient number, since it is larger than the sum of its proper divisors (151425).

319026319 is a wasteful number, since it uses less digits than its factorization.

319026319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151424.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 319026319 is about 17861.3078748450. The cubic root of 319026319 is about 683.2959359003.

The spelling of 319026319 in words is "three hundred nineteen million, twenty-six thousand, three hundred nineteen".

Divisors: 1 2137 149287 319026319