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83166930 = 232571121091
BaseRepresentation
bin1001111010100…
…00011011010010
312210111022120200
410331100123102
5132242320210
612130320030
72026623120
oct475203322
9183438520
1083166930
1142a44600
1223a29016
13142cba02
14b08c910
15747c0c0
hex4f506d2

83166930 has 144 divisors (see below), whose sum is σ = 271881792. Its totient is φ = 17265600.

The previous prime is 83166887. The next prime is 83166943. The reversal of 83166930 is 3966138.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 75685 + ... + 76775.

It is an arithmetic number, because the mean of its divisors is an integer number (1888068).

Almost surely, 283166930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83166930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135940896).

83166930 is an abundant number, since it is smaller than the sum of its proper divisors (188714862).

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

83166930 is a wasteful number, since it uses less digits than its factorization.

83166930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 83166930 is about 9119.5904513306. The cubic root of 83166930 is about 436.4993052346.

The spelling of 83166930 in words is "eighty-three million, one hundred sixty-six thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 33 35 42 45 55 63 66 70 77 90 99 105 110 121 126 154 165 198 210 231 242 315 330 363 385 462 495 605 630 693 726 770 847 990 1089 1091 1155 1210 1386 1694 1815 2178 2182 2310 2541 3273 3465 3630 4235 5082 5445 5455 6546 6930 7623 7637 8470 9819 10890 10910 12001 12705 15246 15274 16365 19638 22911 24002 25410 32730 36003 38115 38185 45822 49095 60005 68733 72006 76230 76370 84007 98190 108009 114555 120010 132011 137466 168014 180015 216018 229110 252021 264022 343665 360030 396033 420035 504042 540045 660055 687330 756063 792066 840070 924077 1080090 1188099 1260105 1320110 1512126 1848154 1980165 2376198 2520210 2772231 3780315 3960330 4620385 5544462 5940495 7560630 8316693 9240770 11880990 13861155 16633386 27722310 41583465 83166930