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82110349 = 438272309
BaseRepresentation
bin1001110010011…
…10011110001101
312201111122020001
410321032132031
5132010012344
612051524301
72014632526
oct471163615
9181448201
1082110349
11423927a2
12235b9691
131401bb09
14ac9584d
15731ded4
hex4e4e78d

82110349 has 8 divisors (see below), whose sum is σ = 84157920. Its totient is φ = 80069136.

The previous prime is 82110337. The next prime is 82110373. The reversal of 82110349 is 94301128.

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 82110349 - 29 = 82109837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82110449) 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, 34407 + ... + 36715.

It is an arithmetic number, because the mean of its divisors is an integer number (10519740).

Almost surely, 282110349 is an apocalyptic number.

It is an amenable number.

82110349 is a deficient number, since it is larger than the sum of its proper divisors (2047571).

82110349 is a wasteful number, since it uses less digits than its factorization.

82110349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 82110349 is about 9061.4760938823. The cubic root of 82110349 is about 434.6429430069.

The spelling of 82110349 in words is "eighty-two million, one hundred ten thousand, three hundred forty-nine".

Divisors: 1 43 827 2309 35561 99287 1909543 82110349