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313011200 = 2105212227
BaseRepresentation
bin10010101010000…
…010110000000000
3210210222121122102
4102222002300000
51120112324300
651020525532
710520360045
oct2252026000
9723877572
10313011200
11150760a47
12889b08a8
134cb05138
142d7dd1cc
151c72e0d5
hex12a82c00

313011200 has 66 divisors (see below), whose sum is σ = 775952196. Its totient is φ = 125194240.

The previous prime is 313011199. The next prime is 313011217. The reversal of 313011200 is 2110313.

It is a super-2 number, since 2×3130112002 = 195952022650880000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19487 + ... + 31713.

Almost surely, 2313011200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387976098).

313011200 is an abundant number, since it is smaller than the sum of its proper divisors (462940996).

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

313011200 is a wasteful number, since it uses less digits than its factorization.

313011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12257 (or 12234 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 313011200 is about 17692.1225408372. The cubic root of 313011200 is about 678.9742319718.

Adding to 313011200 its reverse (2110313), we get a palindrome (315121513).

The spelling of 313011200 in words is "three hundred thirteen million, eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1024 1280 1600 2560 3200 5120 6400 12227 12800 24454 25600 48908 61135 97816 122270 195632 244540 305675 391264 489080 611350 782528 978160 1222700 1565056 1956320 2445400 3130112 3912640 4890800 6260224 7825280 9781600 12520448 15650560 19563200 31301120 39126400 62602240 78252800 156505600 313011200