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8282180 = 225414109
BaseRepresentation
bin11111100110000001000100
3120120210000102
4133212001010
54110012210
6453303232
7130253204
oct37460104
916523012
108282180
114747585
122934b18
13193c9ca
141158404
15ad8ea5
hex7e6044

8282180 has 12 divisors (see below), whose sum is σ = 17392620. Its totient is φ = 3312864.

The previous prime is 8282171. The next prime is 8282189. The reversal of 8282180 is 812828.

It is an interprime number because it is at equal distance from previous prime (8282171) and next prime (8282189).

It can be written as a sum of positive squares in 2 ways, for example, as 4656964 + 3625216 = 2158^2 + 1904^2 .

It is not an unprimeable number, because it can be changed into a prime (8282189) 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, 207035 + ... + 207074.

It is an arithmetic number, because the mean of its divisors is an integer number (1449385).

Almost surely, 28282180 is an apocalyptic number.

It is an amenable number.

8282180 is an abundant number, since it is smaller than the sum of its proper divisors (9110440).

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

8282180 is a wasteful number, since it uses less digits than its factorization.

8282180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414118 (or 414116 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 8282180 is about 2877.8776902433. The cubic root of 8282180 is about 202.3243816004.

The spelling of 8282180 in words is "eight million, two hundred eighty-two thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 414109 828218 1656436 2070545 4141090 8282180