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318868 = 22117247
BaseRepresentation
bin1001101110110010100
3121012101221
41031312110
540200433
610500124
72465434
oct1156624
9535357
10318868
111a8630
12134644
13b21a4
14842c4
156472d
hex4dd94

318868 has 12 divisors (see below), whose sum is σ = 608832. Its totient is φ = 144920.

The previous prime is 318863. The next prime is 318881. The reversal of 318868 is 868813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318863) 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, 3580 + ... + 3667.

It is an arithmetic number, because the mean of its divisors is an integer number (50736).

2318868 is an apocalyptic number.

It is an amenable number.

318868 is a deficient number, since it is larger than the sum of its proper divisors (289964).

318868 is a wasteful number, since it uses less digits than its factorization.

318868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7262 (or 7260 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 318868 is about 564.6839824185. The cubic root of 318868 is about 68.3182887099.

Subtracting 318868 from its reverse (868813), we obtain a palindrome (549945).

The spelling of 318868 in words is "three hundred eighteen thousand, eight hundred sixty-eight".

Divisors: 1 2 4 11 22 44 7247 14494 28988 79717 159434 318868