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82076645 = 572345047
BaseRepresentation
bin1001110010001…
…10001111100101
312201102220222202
410321012033211
5132002423040
612051104245
72014432340
oct471061745
9181386882
1082076645
114236a442
12235a2085
1314009681
14ac87457
157314015
hex4e463e5

82076645 has 8 divisors (see below), whose sum is σ = 112562304. Its totient is φ = 56281104.

The previous prime is 82076633. The next prime is 82076669. The reversal of 82076645 is 54667028.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82076645 - 226 = 14967781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82076599 and 82076608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172489 + ... + 1172558.

It is an arithmetic number, because the mean of its divisors is an integer number (14070288).

Almost surely, 282076645 is an apocalyptic number.

It is an amenable number.

82076645 is a deficient number, since it is larger than the sum of its proper divisors (30485659).

82076645 is a wasteful number, since it uses less digits than its factorization.

82076645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345059.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 82076645 is about 9059.6161618470. The cubic root of 82076645 is about 434.5834652807.

The spelling of 82076645 in words is "eighty-two million, seventy-six thousand, six hundred forty-five".

Divisors: 1 5 7 35 2345047 11725235 16415329 82076645