Search a number
-
+
317290 = 2531729
BaseRepresentation
bin1001101011101101010
3121010020111
41031131222
540123130
610444534
72461021
oct1153552
9533214
10317290
111a7426
1213374a
13b155c
14838b8
156402a
hex4d76a

317290 has 8 divisors (see below), whose sum is σ = 571140. Its totient is φ = 126912.

The previous prime is 317279. The next prime is 317321. The reversal of 317290 is 92713.

It can be written as a sum of positive squares in 2 ways, for example, as 303601 + 13689 = 551^2 + 117^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15855 + ... + 15874.

2317290 is an apocalyptic number.

317290 is a deficient number, since it is larger than the sum of its proper divisors (253850).

317290 is a wasteful number, since it uses less digits than its factorization.

317290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31736.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 317290 is about 563.2850077891. The cubic root of 317290 is about 68.2054054418.

The spelling of 317290 in words is "three hundred seventeen thousand, two hundred ninety".

Divisors: 1 2 5 10 31729 63458 158645 317290