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1383480 = 23345761
BaseRepresentation
bin101010001110000111000
32121021210000
411101300320
5323232410
645353000
714521320
oct5216070
92537700
101383480
1186547a
12568760
13395937
14280280
151c4dc0
hex151c38

1383480 has 160 divisors (see below), whose sum is σ = 5401440. Its totient is φ = 311040.

The previous prime is 1383479. The next prime is 1383493. The reversal of 1383480 is 843831.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22650 + ... + 22710.

It is an arithmetic number, because the mean of its divisors is an integer number (33759).

21383480 is an apocalyptic number.

1383480 is a gapful number since it is divisible by the number (10) 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 1383480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2700720).

1383480 is an abundant number, since it is smaller than the sum of its proper divisors (4017960).

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

1383480 is a wasteful number, since it uses less digits than its factorization.

1383480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1383480 is about 1176.2142661947. The cubic root of 1383480 is about 111.4271343855.

The spelling of 1383480 in words is "one million, three hundred eighty-three thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 61 63 70 72 81 84 90 105 108 120 122 126 135 140 162 168 180 183 189 210 216 244 252 270 280 305 315 324 360 366 378 405 420 427 488 504 540 549 567 610 630 648 732 756 810 840 854 915 945 1080 1098 1134 1220 1260 1281 1464 1512 1620 1647 1708 1830 1890 2135 2196 2268 2440 2520 2562 2745 2835 3240 3294 3416 3660 3780 3843 4270 4392 4536 4941 5124 5490 5670 6405 6588 7320 7560 7686 8235 8540 9882 10248 10980 11340 11529 12810 13176 15372 16470 17080 19215 19764 21960 22680 23058 24705 25620 30744 32940 34587 38430 39528 46116 49410 51240 57645 65880 69174 76860 92232 98820 115290 138348 153720 172935 197640 230580 276696 345870 461160 691740 1383480