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319028340 = 22355990121
BaseRepresentation
bin10011000000111…
…111110001110100
3211020022022121110
4103000333301310
51123132401330
651353515020
710622460531
oct2300776164
9736268543
10319028340
111540a0794
128aa12a70
1351130b87
1430527d88
151d01bdb0
hex1303fc74

319028340 has 48 divisors (see below), whose sum is σ = 908429760. Its totient is φ = 83631360.

The previous prime is 319028321. The next prime is 319028357. The reversal of 319028340 is 43820913.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 319028298 and 319028307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41521 + ... + 48600.

It is an arithmetic number, because the mean of its divisors is an integer number (18925620).

Almost surely, 2319028340 is an apocalyptic number.

319028340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

319028340 is an abundant number, since it is smaller than the sum of its proper divisors (589401420).

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

319028340 is a wasteful number, since it uses less digits than its factorization.

319028340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90192 (or 90190 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 319028340 is about 17861.3644495598. The cubic root of 319028340 is about 683.2973787679.

The spelling of 319028340 in words is "three hundred nineteen million, twenty-eight thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 90121 180242 270363 360484 450605 540726 901210 1081452 1351815 1802420 2703630 5317139 5407260 10634278 15951417 21268556 26585695 31902834 53171390 63805668 79757085 106342780 159514170 319028340