Search a number
-
+
316943 = 1128813
BaseRepresentation
bin1001101011000001111
3121002202122
41031120033
540120233
610443155
72460014
oct1153017
9532678
10316943
111a7140
121334bb
13b1353
148370b
1563d98
hex4d60f

316943 has 4 divisors (see below), whose sum is σ = 345768. Its totient is φ = 288120.

The previous prime is 316937. The next prime is 316951. The reversal of 316943 is 349613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 316943 - 26 = 316879 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316903) 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, 14396 + ... + 14417.

It is an arithmetic number, because the mean of its divisors is an integer number (86442).

2316943 is an apocalyptic number.

316943 is a deficient number, since it is larger than the sum of its proper divisors (28825).

316943 is a wasteful number, since it uses less digits than its factorization.

316943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28824.

The product of its digits is 1944, while the sum is 26.

The square root of 316943 is about 562.9769089403. The cubic root of 316943 is about 68.1805323933.

Adding to 316943 its sum of digits (26), we get a square (316969 = 5632).

The spelling of 316943 in words is "three hundred sixteen thousand, nine hundred forty-three".

Divisors: 1 11 28813 316943