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82856130 = 23571723209
BaseRepresentation
bin1001111000001…
…00100011000010
312202220112020120
410330010203002
5132202344010
612115521110
72024160030
oct474044302
9182815216
1082856130
1142852045
12238b9196
13142203c6
14b00b550
157419e70
hex4f048c2

82856130 has 64 divisors (see below), whose sum is σ = 240641280. Its totient is φ = 17823744.

The previous prime is 82856129. The next prime is 82856171. The reversal of 82856130 is 3165828.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 82856091 and 82856100.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8035 + ... + 15174.

It is an arithmetic number, because the mean of its divisors is an integer number (3760020).

Almost surely, 282856130 is an apocalyptic number.

82856130 is an abundant number, since it is smaller than the sum of its proper divisors (157785150).

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

82856130 is a wasteful number, since it uses less digits than its factorization.

82856130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23243.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 82856130 is about 9102.5342625007. The cubic root of 82856130 is about 435.9548847912.

The spelling of 82856130 in words is "eighty-two million, eight hundred fifty-six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 357 510 595 714 1190 1785 3570 23209 46418 69627 116045 139254 162463 232090 324926 348135 394553 487389 696270 789106 812315 974778 1183659 1624630 1972765 2367318 2436945 2761871 3945530 4873890 5523742 5918295 8285613 11836590 13809355 16571226 27618710 41428065 82856130