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82114161 = 327371387
BaseRepresentation
bin1001110010011…
…11011001110001
312201111211110020
410321033121301
5132010123121
612051554053
72014646613
oct471173161
9181454406
1082114161
1142395648
12235bb929
131402077c
14ac96db3
1573201c6
hex4e4f671

82114161 has 4 divisors (see below), whose sum is σ = 109485552. Its totient is φ = 54742772.

The previous prime is 82114099. The next prime is 82114171. The reversal of 82114161 is 16141128.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82114161 - 211 = 82112113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82114171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13685691 + ... + 13685696.

It is an arithmetic number, because the mean of its divisors is an integer number (27371388).

Almost surely, 282114161 is an apocalyptic number.

It is an amenable number.

82114161 is a deficient number, since it is larger than the sum of its proper divisors (27371391).

82114161 is a wasteful number, since it uses less digits than its factorization.

82114161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27371390.

The product of its digits is 384, while the sum is 24.

The square root of 82114161 is about 9061.6864324473. The cubic root of 82114161 is about 434.6496690501.

Adding to 82114161 its reverse (16141128), we get a palindrome (98255289).

The spelling of 82114161 in words is "eighty-two million, one hundred fourteen thousand, one hundred sixty-one".

Divisors: 1 3 27371387 82114161