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313312000 = 28539791
BaseRepresentation
bin10010101011001…
…100001100000000
3210211112220021011
4102223030030000
51120201441000
651031210304
710523052031
oct2253141400
9724486234
10313312000
11150946a41
1288b16994
134cbac021
142d87aa88
151c78d2ba
hex12acc300

313312000 has 72 divisors (see below), whose sum is σ = 780579072. Its totient is φ = 125312000.

The previous prime is 313311997. The next prime is 313312039. The reversal of 313312000 is 213313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27105 + ... + 36895.

It is an arithmetic number, because the mean of its divisors is an integer number (10841376).

Almost surely, 2313312000 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 313312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390289536).

313312000 is an abundant number, since it is smaller than the sum of its proper divisors (467267072).

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

313312000 is an frugal number, since it uses more digits than its factorization.

313312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9822 (or 9798 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 313312000 is about 17700.6214580167. The cubic root of 313312000 is about 679.1916576968.

Adding to 313312000 its reverse (213313), we get a palindrome (313525313).

The spelling of 313312000 in words is "three hundred thirteen million, three hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 640 800 1000 1280 1600 2000 3200 4000 6400 8000 9791 16000 19582 32000 39164 48955 78328 97910 156656 195820 244775 313312 391640 489550 626624 783280 979100 1223875 1253248 1566560 1958200 2447750 2506496 3133120 3916400 4895500 6266240 7832800 9791000 12532480 15665600 19582000 31331200 39164000 62662400 78328000 156656000 313312000