Search a number
-
+
316349 = 1128759
BaseRepresentation
bin1001101001110111101
3121001221122
41031032331
540110344
610440325
72455205
oct1151675
9531848
10316349
111a6750
121330a5
13b0cb7
1483405
1563aee
hex4d3bd

316349 has 4 divisors (see below), whose sum is σ = 345120. Its totient is φ = 287580.

The previous prime is 316343. The next prime is 316363. The reversal of 316349 is 943613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 316349 - 212 = 312253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316343) 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, 14369 + ... + 14390.

It is an arithmetic number, because the mean of its divisors is an integer number (86280).

2316349 is an apocalyptic number.

It is an amenable number.

316349 is a deficient number, since it is larger than the sum of its proper divisors (28771).

316349 is a wasteful number, since it uses less digits than its factorization.

316349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28770.

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

The square root of 316349 is about 562.4491088090. The cubic root of 316349 is about 68.1379121501.

Subtracting 316349 from its reverse (943613), we obtain a square (627264 = 7922).

The spelling of 316349 in words is "three hundred sixteen thousand, three hundred forty-nine".

Divisors: 1 11 28759 316349