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82335660 = 22351131031
BaseRepresentation
bin1001110100001…
…01011110101100
312201221002021220
410322011132230
5132034220120
612100423340
72016561441
oct472053654
9181832256
1082335660
1142527000
12236a7b50
131409a534
14ad139c8
157365b40
hex4e857ac

82335660 has 96 divisors (see below), whose sum is σ = 253822464. Its totient is φ = 19940800.

The previous prime is 82335613. The next prime is 82335661. The reversal of 82335660 is 6653328.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (82335661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79345 + ... + 80375.

It is an arithmetic number, because the mean of its divisors is an integer number (2643984).

Almost surely, 282335660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82335660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126911232).

82335660 is an abundant number, since it is smaller than the sum of its proper divisors (171486804).

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

82335660 is a wasteful number, since it uses less digits than its factorization.

82335660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 82335660 is about 9073.8999333253. The cubic root of 82335660 is about 435.0401336997.

Adding to 82335660 its reverse (6653328), we get a palindrome (88988988).

The spelling of 82335660 in words is "eighty-two million, three hundred thirty-five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 121 132 165 220 242 330 363 484 605 660 726 1031 1210 1331 1452 1815 2062 2420 2662 3093 3630 3993 4124 5155 5324 6186 6655 7260 7986 10310 11341 12372 13310 15465 15972 19965 20620 22682 26620 30930 34023 39930 45364 56705 61860 68046 79860 113410 124751 136092 170115 226820 249502 340230 374253 499004 623755 680460 748506 1247510 1372261 1497012 1871265 2495020 2744522 3742530 4116783 5489044 6861305 7485060 8233566 13722610 16467132 20583915 27445220 41167830 82335660