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328711248 = 243219317379
BaseRepresentation
bin10011100101111…
…011110001010000
3211220112021001200
4103211323301100
51133122224443
652341231200
711100666555
oct2345736120
9756467050
10328711248
11159604698
1292102500
13531412c8
1431928a2c
151dcd0dd3
hex1397bc50

328711248 has 120 divisors (see below), whose sum is σ = 973970400. Its totient is φ = 103203072.

The previous prime is 328711223. The next prime is 328711261. The reversal of 328711248 is 842117823.

328711248 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 (36).

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867123 + ... + 867501.

It is an arithmetic number, because the mean of its divisors is an integer number (8116420).

Almost surely, 2328711248 is an apocalyptic number.

328711248 is a gapful number since it is divisible by the number (38) 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 328711248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486985200).

328711248 is an abundant number, since it is smaller than the sum of its proper divisors (645259152).

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

328711248 is a wasteful number, since it uses less digits than its factorization.

328711248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 720 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 328711248 is about 18130.3956934205. The cubic root of 328711248 is about 690.1415714550.

It can be divided in two parts, 3287 and 11248, that added together give a triangular number (14535 = T170).

The spelling of 328711248 in words is "three hundred twenty-eight million, seven hundred eleven thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 144 152 171 228 304 317 342 379 456 634 684 758 912 951 1137 1268 1368 1516 1902 2274 2536 2736 2853 3032 3411 3804 4548 5072 5706 6023 6064 6822 7201 7608 9096 11412 12046 13644 14402 15216 18069 18192 21603 22824 24092 27288 28804 36138 43206 45648 48184 54207 54576 57608 64809 72276 86412 96368 108414 115216 120143 129618 144552 172824 216828 240286 259236 289104 345648 360429 433656 480572 518472 720858 867312 961144 1036944 1081287 1441716 1922288 2162574 2282717 2883432 4325148 4565434 5766864 6848151 8650296 9130868 13696302 17300592 18261736 20544453 27392604 36523472 41088906 54785208 82177812 109570416 164355624 328711248