Search a number
-
+
316522340 = 22515826117
BaseRepresentation
bin10010110111011…
…011111101100100
3211001121000000122
4102313123331210
51122012203330
651224101112
710562252441
oct2267337544
9731530018
10316522340
11152739a12
128a004798
1350764334
14300749c8
151cbc45e5
hex12ddbf64

316522340 has 12 divisors (see below), whose sum is σ = 664696956. Its totient is φ = 126608928.

The previous prime is 316522301. The next prime is 316522373. The reversal of 316522340 is 43225613.

It can be written as a sum of positive squares in 2 ways, for example, as 162613504 + 153908836 = 12752^2 + 12406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7913039 + ... + 7913078.

It is an arithmetic number, because the mean of its divisors is an integer number (55391413).

Almost surely, 2316522340 is an apocalyptic number.

It is an amenable number.

316522340 is an abundant number, since it is smaller than the sum of its proper divisors (348174616).

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

316522340 is a wasteful number, since it uses less digits than its factorization.

316522340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15826126 (or 15826124 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 316522340 is about 17791.0747286385. The cubic root of 316522340 is about 681.5035502076.

Adding to 316522340 its reverse (43225613), we get a palindrome (359747953).

The spelling of 316522340 in words is "three hundred sixteen million, five hundred twenty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 15826117 31652234 63304468 79130585 158261170 316522340