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313300440 = 233351392087
BaseRepresentation
bin10010101011001…
…001010111011000
3210211112022102000
4102223021113120
51120201103230
651031041000
710523003235
oct2253112730
9724468360
10313300440
11150939292
1288b10160
134cba699b
142d87678c
151c789b60
hex12ac95d8

313300440 has 128 divisors (see below), whose sum is σ = 1052352000. Its totient is φ = 82905984.

The previous prime is 313300433. The next prime is 313300483. The reversal of 313300440 is 44003313.

313300440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 149077 + ... + 151163.

It is an arithmetic number, because the mean of its divisors is an integer number (8221500).

Almost surely, 2313300440 is an apocalyptic number.

313300440 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 313300440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526176000).

313300440 is an abundant number, since it is smaller than the sum of its proper divisors (739051560).

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

313300440 is a wasteful number, since it uses less digits than its factorization.

313300440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2236 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 313300440 is about 17700.2949127974. The cubic root of 313300440 is about 679.1833044130.

Adding to 313300440 its reverse (44003313), we get a palindrome (357303753).

The spelling of 313300440 in words is "three hundred thirteen million, three hundred thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 139 180 216 270 278 360 417 540 556 695 834 1080 1112 1251 1390 1668 2085 2087 2502 2780 3336 3753 4170 4174 5004 5560 6255 6261 7506 8340 8348 10008 10435 12510 12522 15012 16680 16696 18765 18783 20870 25020 25044 30024 31305 37530 37566 41740 50040 50088 56349 62610 75060 75132 83480 93915 112698 125220 150120 150264 187830 225396 250440 281745 290093 375660 450792 563490 580186 751320 870279 1126980 1160372 1450465 1740558 2253960 2320744 2610837 2900930 3481116 4351395 5221674 5801860 6962232 7832511 8702790 10443348 11603720 13054185 15665022 17405580 20886696 26108370 31330044 34811160 39162555 52216740 62660088 78325110 104433480 156650220 313300440