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8284180 = 225414209
BaseRepresentation
bin11111100110100000010100
3120120212202111
4133212200110
54110043210
6453320404
7130262062
oct37464024
916525674
108284180
114749033
122936104
1319408a8
141159032
15ad988a
hex7e6814

8284180 has 12 divisors (see below), whose sum is σ = 17396820. Its totient is φ = 3313664.

The previous prime is 8284153. The next prime is 8284181. The reversal of 8284180 is 814828.

It can be written as a sum of positive squares in 2 ways, for example, as 2883204 + 5400976 = 1698^2 + 2324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8284181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207085 + ... + 207124.

It is an arithmetic number, because the mean of its divisors is an integer number (1449735).

Almost surely, 28284180 is an apocalyptic number.

It is an amenable number.

8284180 is an abundant number, since it is smaller than the sum of its proper divisors (9112640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8284180 is a wasteful number, since it uses less digits than its factorization.

8284180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414218 (or 414216 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 8284180 is about 2878.2251475519. The cubic root of 8284180 is about 202.3406662097.

It can be divided in two parts, 8284 and 180, that added together give a square (8464 = 922).

The spelling of 8284180 in words is "eight million, two hundred eighty-four thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 414209 828418 1656836 2071045 4142090 8284180