Search a number
-
+
316228530 = 23561917029
BaseRepresentation
bin10010110110010…
…100001110110010
3211001001001222210
4102312110032302
51121423303110
651213512550
710556620032
oct2266241662
9731031883
10316228530
111525591a2
1289aa2756
1350690697
142ddd98c2
151cb67520
hex12d943b2

316228530 has 32 divisors (see below), whose sum is σ = 760219200. Its totient is φ = 84186432.

The previous prime is 316228519. The next prime is 316228553. The reversal of 316228530 is 35822613.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 10056 + ... + 27084.

It is an arithmetic number, because the mean of its divisors is an integer number (23756850).

Almost surely, 2316228530 is an apocalyptic number.

316228530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

316228530 is an abundant number, since it is smaller than the sum of its proper divisors (443990670).

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

316228530 is a wasteful number, since it uses less digits than its factorization.

316228530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17658.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 316228530 is about 17782.8155813414. The cubic root of 316228530 is about 681.2926177081.

The spelling of 316228530 in words is "three hundred sixteen million, two hundred twenty-eight thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 619 1238 1857 3095 3714 6190 9285 17029 18570 34058 51087 85145 102174 170290 255435 510870 10540951 21081902 31622853 52704755 63245706 105409510 158114265 316228530