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316440000 = 263354293
BaseRepresentation
bin10010110111000…
…111110111000000
3211001102211002000
4102313013313000
51122002040000
651222224000
710561460412
oct2267076700
9731384060
10316440000
11152693068
1289b85000
1350735a06
14300529b2
151cbaa000
hex12dc7dc0

316440000 has 280 divisors, whose sum is σ = 1166439120. Its totient is φ = 84096000.

The previous prime is 316439987. The next prime is 316440011. The reversal of 316440000 is 44613.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1079854 + ... + 1080146.

It is an arithmetic number, because the mean of its divisors is an integer number (4165854).

Almost surely, 2316440000 is an apocalyptic number.

316440000 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 316440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583219560).

316440000 is an abundant number, since it is smaller than the sum of its proper divisors (849999120).

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

316440000 is an equidigital number, since it uses as much as digits as its factorization.

316440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 316440000 is about 17788.7604964483. The cubic root of 316440000 is about 681.4444497252. Note that the first 5 decimals are identical.

Adding to 316440000 its reverse (44613), we get a palindrome (316484613).

The spelling of 316440000 in words is "three hundred sixteen million, four hundred forty thousand".