Search a number
-
+
316382117 = 417716637
BaseRepresentation
bin10010110110111…
…001101110100101
3211001022212200012
4102312321232211
51121443211432
651221100005
710561126562
oct2266715645
9731285605
10316382117
11152653627
1289b57605
135071556c
1430039869
151cb97cb2
hex12db9ba5

316382117 has 4 divisors (see below), whose sum is σ = 324098796. Its totient is φ = 308665440.

The previous prime is 316382081. The next prime is 316382137. The reversal of 316382117 is 711283613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711283613 = 2692644177.

It can be written as a sum of positive squares in 2 ways, for example, as 88190881 + 228191236 = 9391^2 + 15106^2 .

It is a cyclic number.

It is not a de Polignac number, because 316382117 - 28 = 316381861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316382137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3858278 + ... + 3858359.

It is an arithmetic number, because the mean of its divisors is an integer number (81024699).

Almost surely, 2316382117 is an apocalyptic number.

It is an amenable number.

316382117 is a deficient number, since it is larger than the sum of its proper divisors (7716679).

316382117 is an equidigital number, since it uses as much as digits as its factorization.

316382117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716678.

The product of its digits is 6048, while the sum is 32.

The square root of 316382117 is about 17787.1334677626. The cubic root of 316382117 is about 681.4028973990.

The spelling of 316382117 in words is "three hundred sixteen million, three hundred eighty-two thousand, one hundred seventeen".

Divisors: 1 41 7716637 316382117