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82628061 = 327542687
BaseRepresentation
bin1001110110011…
…00110111011101
312202110221101120
410323030313131
5132123044221
612111001153
72022220065
oct473146735
9182427346
1082628061
114270675a
12238091b9
1314170659
14ad8c3a5
1573c25c6
hex4eccddd

82628061 has 4 divisors (see below), whose sum is σ = 110170752. Its totient is φ = 55085372.

The previous prime is 82628059. The next prime is 82628071. The reversal of 82628061 is 16082628.

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 82628061 - 21 = 82628059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82628071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13771341 + ... + 13771346.

It is an arithmetic number, because the mean of its divisors is an integer number (27542688).

Almost surely, 282628061 is an apocalyptic number.

It is an amenable number.

82628061 is a deficient number, since it is larger than the sum of its proper divisors (27542691).

82628061 is a wasteful number, since it uses less digits than its factorization.

82628061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27542690.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 82628061 is about 9089.9978547852. The cubic root of 82628061 is about 435.5545154507.

The spelling of 82628061 in words is "eighty-two million, six hundred twenty-eight thousand, sixty-one".

Divisors: 1 3 27542687 82628061