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82840192 = 27647189
BaseRepresentation
bin1001111000000…
…00101010000000
312202212201101021
410330000222000
5132201341232
612115315224
72024062411
oct474005200
9182781337
1082840192
1142841076
12238abb14
1314216086
14b005808
157415397
hex4f00a80

82840192 has 16 divisors (see below), whose sum is σ = 165033450. Its totient is φ = 41420032.

The previous prime is 82840169. The next prime is 82840193. The reversal of 82840192 is 29104828.

It can be written as a sum of positive squares in only one way, i.e., 64384576 + 18455616 = 8024^2 + 4296^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (82840193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323467 + ... + 323722.

Almost surely, 282840192 is an apocalyptic number.

It is an amenable number.

82840192 is a deficient number, since it is larger than the sum of its proper divisors (82193258).

82840192 is an equidigital number, since it uses as much as digits as its factorization.

82840192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647203 (or 647191 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 82840192 is about 9101.6587499203. The cubic root of 82840192 is about 435.9269299313.

The spelling of 82840192 in words is "eighty-two million, eight hundred forty thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 128 647189 1294378 2588756 5177512 10355024 20710048 41420096 82840192