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83483280 = 24325472467
BaseRepresentation
bin1001111100111…
…01101010010000
312211002101112100
410332131222100
5132332431110
612141200400
72032411326
oct476355220
9184071470
1083483280
1143140251
1223b60100
13143ac9ba
14b131d16
1574e0bc0
hex4f9da90

83483280 has 120 divisors (see below), whose sum is σ = 286445952. Its totient is φ = 21779712.

The previous prime is 83483269. The next prime is 83483297. The reversal of 83483280 is 8238438.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 32607 + ... + 35073.

Almost surely, 283483280 is an apocalyptic number.

83483280 is a gapful number since it is divisible by the number (80) 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 83483280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143222976).

83483280 is an abundant number, since it is smaller than the sum of its proper divisors (202962672).

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

83483280 is a wasteful number, since it uses less digits than its factorization.

83483280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 83483280 is about 9136.9185177498. The cubic root of 83483280 is about 437.0520563499.

It can be divided in two parts, 8348 and 3280, that added together give a triangular number (11628 = T152).

The spelling of 83483280 in words is "eighty-three million, four hundred eighty-three thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 47 48 60 72 80 90 94 120 141 144 180 188 235 240 282 360 376 423 470 564 705 720 752 846 940 1128 1410 1692 1880 2115 2256 2467 2820 3384 3760 4230 4934 5640 6768 7401 8460 9868 11280 12335 14802 16920 19736 22203 24670 29604 33840 37005 39472 44406 49340 59208 74010 88812 98680 111015 115949 118416 148020 177624 197360 222030 231898 296040 347847 355248 444060 463796 579745 592080 695694 888120 927592 1043541 1159490 1391388 1739235 1776240 1855184 2087082 2318980 2782776 3478470 4174164 4637960 5217705 5565552 6956940 8348328 9275920 10435410 13913880 16696656 20870820 27827760 41741640 83483280