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315744352 = 257111271009
BaseRepresentation
bin10010110100011…
…110000001100000
3211000010110211021
4102310132001200
51121312304402
651155255224
710552532320
oct2264360140
9730113737
10315744352
11152258450
12898aa514
13505511a1
142dd11280
151cabdd37
hex12d1e060

315744352 has 96 divisors (see below), whose sum is σ = 781885440. Its totient is φ = 121927680.

The previous prime is 315744343. The next prime is 315744353. The reversal of 315744352 is 253447513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315744353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312424 + ... + 313432.

It is an arithmetic number, because the mean of its divisors is an integer number (8144640).

Almost surely, 2315744352 is an apocalyptic number.

315744352 is a gapful number since it is divisible by the number (32) 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 315744352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390942720).

315744352 is an abundant number, since it is smaller than the sum of its proper divisors (466141088).

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

315744352 is a wasteful number, since it uses less digits than its factorization.

315744352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1156 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 315744352 is about 17769.1967179161. The cubic root of 315744352 is about 680.9447306978.

The spelling of 315744352 in words is "three hundred fifteen million, seven hundred forty-four thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 77 88 112 127 154 176 224 254 308 352 508 616 889 1009 1016 1232 1397 1778 2018 2032 2464 2794 3556 4036 4064 5588 7063 7112 8072 9779 11099 11176 14126 14224 16144 19558 22198 22352 28252 28448 32288 39116 44396 44704 56504 77693 78232 88792 113008 128143 155386 156464 177584 226016 256286 310772 312928 355168 512572 621544 897001 1025144 1243088 1409573 1794002 2050288 2486176 2819146 3588004 4100576 5638292 7176008 9867011 11276584 14352016 19734022 22553168 28704032 39468044 45106336 78936088 157872176 315744352