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8059221 = 32895469
BaseRepresentation
bin11110101111100101010101
3120011110011200
4132233211111
54030343341
6444423113
7125334162
oct36574525
916143150
108059221
114605015
122847a99
131892391
1410db069
15a92db6
hex7af955

8059221 has 6 divisors (see below), whose sum is σ = 11641110. Its totient is φ = 5372808.

The previous prime is 8059213. The next prime is 8059243. The reversal of 8059221 is 1229508.

It can be written as a sum of positive squares in only one way, i.e., 7918596 + 140625 = 2814^2 + 375^2 .

It is not a de Polignac number, because 8059221 - 23 = 8059213 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8059291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 447726 + ... + 447743.

It is an arithmetic number, because the mean of its divisors is an integer number (1940185).

Almost surely, 28059221 is an apocalyptic number.

It is an amenable number.

8059221 is a deficient number, since it is larger than the sum of its proper divisors (3581889).

8059221 is a wasteful number, since it uses less digits than its factorization.

8059221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895475 (or 895472 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 8059221 is about 2838.8767144770. The cubic root of 8059221 is about 200.4922955645.

The spelling of 8059221 in words is "eight million, fifty-nine thousand, two hundred twenty-one".

Divisors: 1 3 9 895469 2686407 8059221