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319049 is a prime number
BaseRepresentation
bin1001101111001001001
3121012122122
41031321021
540202144
610501025
72466113
oct1157111
9535578
10319049
111a8785
12134775
13b22b3
14843b3
15647ee
hex4de49

319049 has 2 divisors, whose sum is σ = 319050. Its totient is φ = 319048.

The previous prime is 319037. The next prime is 319057. The reversal of 319049 is 940913.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265225 + 53824 = 515^2 + 232^2 .

It is an emirp because it is prime and its reverse (940913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319049 - 28 = 318793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (319069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159524 + 159525.

It is an arithmetic number, because the mean of its divisors is an integer number (159525).

2319049 is an apocalyptic number.

It is an amenable number.

319049 is a deficient number, since it is larger than the sum of its proper divisors (1).

319049 is an equidigital number, since it uses as much as digits as its factorization.

319049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 319049 is about 564.8442263138. The cubic root of 319049 is about 68.3312128366.

It can be divided in two parts, 31904 and 9, that added together give a palindrome (31913).

The spelling of 319049 in words is "three hundred nineteen thousand, forty-nine".