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316361 = 2910909
BaseRepresentation
bin1001101001111001001
3121001222002
41031033021
540110421
610440345
72455223
oct1151711
9531862
10316361
111a6761
121330b5
13b0cc6
1483413
1563b0b
hex4d3c9

316361 has 4 divisors (see below), whose sum is σ = 327300. Its totient is φ = 305424.

The previous prime is 316343. The next prime is 316363. The reversal of 316361 is 163613.

316361 = T38 + T39 + ... + T124.

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

It can be written as a sum of positive squares in 2 ways, for example, as 118336 + 198025 = 344^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 316361 - 26 = 316297 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316361.

It is not an unprimeable number, because it can be changed into a prime (316363) 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, 5426 + ... + 5483.

It is an arithmetic number, because the mean of its divisors is an integer number (81825).

2316361 is an apocalyptic number.

It is an amenable number.

316361 is a deficient number, since it is larger than the sum of its proper divisors (10939).

316361 is a wasteful number, since it uses less digits than its factorization.

316361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10938.

The product of its digits is 324, while the sum is 20.

The square root of 316361 is about 562.4597763396. The cubic root of 316361 is about 68.1387736929.

Adding to 316361 its reverse (163613), we get a palindrome (479974).

The spelling of 316361 in words is "three hundred sixteen thousand, three hundred sixty-one".

Divisors: 1 29 10909 316361