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82712108 = 2220678027
BaseRepresentation
bin1001110111000…
…01011000101100
312202122012200102
410323201120230
5132133241413
612112450232
72023020113
oct473413054
9182565612
1082712108
1142763916
1223849978
131419c99b
14adb0c7a
1573dc458
hex4ee162c

82712108 has 6 divisors (see below), whose sum is σ = 144746196. Its totient is φ = 41356052.

The previous prime is 82712107. The next prime is 82712137. The reversal of 82712108 is 80121728.

It is not an unprimeable number, because it can be changed into a prime (82712107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10339010 + ... + 10339017.

It is an arithmetic number, because the mean of its divisors is an integer number (24124366).

Almost surely, 282712108 is an apocalyptic number.

It is an amenable number.

82712108 is a deficient number, since it is larger than the sum of its proper divisors (62034088).

82712108 is a wasteful number, since it uses less digits than its factorization.

82712108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20678031 (or 20678029 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 82712108 is about 9094.6197281690. The cubic root of 82712108 is about 435.7021434479.

The spelling of 82712108 in words is "eighty-two million, seven hundred twelve thousand, one hundred eight".

Divisors: 1 2 4 20678027 41356054 82712108