Search a number
-
+
316290 = 23513811
BaseRepresentation
bin1001101001110000010
3121001212110
41031032002
540110130
610440150
72455062
oct1151602
9531773
10316290
111a66a7
12133056
13b0c70
14833a2
1563ab0
hex4d382

316290 has 32 divisors (see below), whose sum is σ = 818496. Its totient is φ = 77760.

The previous prime is 316271. The next prime is 316291. The reversal of 316290 is 92613.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316290.

It is not an unprimeable number, because it can be changed into a prime (316291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16 + ... + 795.

It is an arithmetic number, because the mean of its divisors is an integer number (25578).

2316290 is an apocalyptic number.

316290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 316290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409248).

316290 is an abundant number, since it is smaller than the sum of its proper divisors (502206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316290 is a wasteful number, since it uses less digits than its factorization.

316290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 316290 is about 562.3966571736. The cubic root of 316290 is about 68.1336759144.

It can be divided in two parts, 316 and 290, that added together give a palindrome (606).

The spelling of 316290 in words is "three hundred sixteen thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 811 1622 2433 4055 4866 8110 10543 12165 21086 24330 31629 52715 63258 105430 158145 316290