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82768101 = 3132122259
BaseRepresentation
bin1001110111011…
…11000011100101
312202202001111020
410323233003211
5132142034401
612114001353
72023342263
oct473570345
9182661436
1082768101
11427a1999
1223876259
13141bc310
14adc7433
1573edd36
hex4eef0e5

82768101 has 8 divisors (see below), whose sum is σ = 118846560. Its totient is φ = 50934192.

The previous prime is 82768073. The next prime is 82768111. The reversal of 82768101 is 10186728.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82768101 - 25 = 82768069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82768111) 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, 1061091 + ... + 1061168.

It is an arithmetic number, because the mean of its divisors is an integer number (14855820).

Almost surely, 282768101 is an apocalyptic number.

It is an amenable number.

82768101 is a deficient number, since it is larger than the sum of its proper divisors (36078459).

82768101 is a wasteful number, since it uses less digits than its factorization.

82768101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122275.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 82768101 is about 9097.6975658680. The cubic root of 82768101 is about 435.8004392825.

The spelling of 82768101 in words is "eighty-two million, seven hundred sixty-eight thousand, one hundred one".

Divisors: 1 3 13 39 2122259 6366777 27589367 82768101