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316140 = 223511479
BaseRepresentation
bin1001101001011101100
3121001122220
41031023230
540104030
610435340
72454456
oct1151354
9531586
10316140
111a6580
12132b50
13b0b86
14832d6
1563a10
hex4d2ec

316140 has 48 divisors (see below), whose sum is σ = 967680. Its totient is φ = 76480.

The previous prime is 316139. The next prime is 316153. The reversal of 316140 is 41613.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2316140 is an apocalyptic number.

316140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483840).

316140 is an abundant number, since it is smaller than the sum of its proper divisors (651540).

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

316140 is a wasteful number, since it uses less digits than its factorization.

316140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 316140 is about 562.2632835247. The cubic root of 316140 is about 68.1229034509.

Adding to 316140 its reverse (41613), we get a palindrome (357753).

The spelling of 316140 in words is "three hundred sixteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 479 660 958 1437 1916 2395 2874 4790 5269 5748 7185 9580 10538 14370 15807 21076 26345 28740 31614 52690 63228 79035 105380 158070 316140