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82098810 = 232519411171
BaseRepresentation
bin1001110010010…
…11101001111010
312201111001101200
410321023221322
5132004130220
612051355030
72014554063
oct471135172
9181431350
1082098810
1142385062
12235b2a76
13140167a1
14ac9156a
15731a890
hex4e4ba7a

82098810 has 96 divisors (see below), whose sum is σ = 230368320. Its totient is φ = 20217600.

The previous prime is 82098781. The next prime is 82098817. The reversal of 82098810 is 1889028.

It is a super-2 number, since 2×820988102 = 13480429206832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82098817) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69525 + ... + 70695.

It is an arithmetic number, because the mean of its divisors is an integer number (2399670).

Almost surely, 282098810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82098810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115184160).

82098810 is an abundant number, since it is smaller than the sum of its proper divisors (148269510).

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

82098810 is a wasteful number, since it uses less digits than its factorization.

82098810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 82098810 is about 9060.8393650920. The cubic root of 82098810 is about 434.6225818712.

The spelling of 82098810 in words is "eighty-two million, ninety-eight thousand, eight hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 41 45 57 82 90 95 114 123 171 190 205 246 285 342 369 410 570 615 738 779 855 1171 1230 1558 1710 1845 2337 2342 3513 3690 3895 4674 5855 7011 7026 7790 10539 11685 11710 14022 17565 21078 22249 23370 35055 35130 44498 48011 52695 66747 70110 96022 105390 111245 133494 144033 200241 222490 240055 288066 333735 400482 432099 480110 667470 720165 864198 912209 1001205 1440330 1824418 2002410 2160495 2736627 4320990 4561045 5473254 8209881 9122090 13683135 16419762 27366270 41049405 82098810