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316138 = 2315099
BaseRepresentation
bin1001101001011101010
3121001122211
41031023222
540104023
610435334
72454454
oct1151352
9531584
10316138
111a6579
12132b4a
13b0b84
14832d4
1563a0d
hex4d2ea

316138 has 8 divisors (see below), whose sum is σ = 489600. Its totient is φ = 152940.

The previous prime is 316133. The next prime is 316139. The reversal of 316138 is 831613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (316133) 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, 2488 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (61200).

2316138 is an apocalyptic number.

316138 is a deficient number, since it is larger than the sum of its proper divisors (173462).

316138 is a wasteful number, since it uses less digits than its factorization.

316138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132.

The product of its digits is 432, while the sum is 22.

The square root of 316138 is about 562.2615049957. The cubic root of 316138 is about 68.1227597950.

It can be divided in two parts, 316 and 138, that added together give a palindrome (454).

The spelling of 316138 in words is "three hundred sixteen thousand, one hundred thirty-eight".

Divisors: 1 2 31 62 5099 10198 158069 316138