Search a number
-
+
8166041 = 131574001
BaseRepresentation
bin11111001001101010011001
3120100212200222
4133021222121
54042303131
6451005425
7126260462
oct37115231
916325628
108166041
1146782a4
122899875
1318cbba0
141127d69
15ab487b
hex7c9a99

8166041 has 8 divisors (see below), whose sum is σ = 8852424. Its totient is φ = 7488000.

The previous prime is 8166031. The next prime is 8166047. The reversal of 8166041 is 1406618.

It can be written as a sum of positive squares in 4 ways, for example, as 326041 + 7840000 = 571^2 + 2800^2 .

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

It is not a de Polignac number, because 8166041 - 26 = 8165977 is a prime.

It is a super-2 number, since 2×81660412 = 133368451227362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8166041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8166047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41 + ... + 4041.

It is an arithmetic number, because the mean of its divisors is an integer number (1106553).

Almost surely, 28166041 is an apocalyptic number.

It is an amenable number.

8166041 is a deficient number, since it is larger than the sum of its proper divisors (686383).

8166041 is a wasteful number, since it uses less digits than its factorization.

8166041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8166041 is about 2857.6285622873. The cubic root of 8166041 is about 201.3742110932.

The spelling of 8166041 in words is "eight million, one hundred sixty-six thousand, forty-one".

Divisors: 1 13 157 2041 4001 52013 628157 8166041