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82747106 = 2137343597
BaseRepresentation
bin1001110111010…
…01111011100010
312202200222200122
410323221323202
5132140401411
612113320242
72023224131
oct473517342
9182628618
1082747106
1142788142
1223866082
13141b28b0
14adbd918
1573e79db
hex4ee9ee2

82747106 has 16 divisors (see below), whose sum is σ = 135502584. Its totient is φ = 37666944.

The previous prime is 82747103. The next prime is 82747183. The reversal of 82747106 is 60174728.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31753225 + 50993881 = 5635^2 + 7141^2 .

It is not an unprimeable number, because it can be changed into a prime (82747103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19901 + ... + 23696.

Almost surely, 282747106 is an apocalyptic number.

82747106 is a deficient number, since it is larger than the sum of its proper divisors (52755478).

82747106 is a wasteful number, since it uses less digits than its factorization.

82747106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43685.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 82747106 is about 9096.5436293133. The cubic root of 82747106 is about 435.7635877102.

The spelling of 82747106 in words is "eighty-two million, seven hundred forty-seven thousand, one hundred six".

Divisors: 1 2 13 26 73 146 949 1898 43597 87194 566761 1133522 3182581 6365162 41373553 82747106