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2148180 = 223535803
BaseRepresentation
bin1000001100011101010100
311001010202020
420030131110
51022220210
6114013140
724154626
oct10143524
94033666
102148180
111237a61
128771b0
135a2a18
143dcc16
152c6770
hex20c754

2148180 has 24 divisors (see below), whose sum is σ = 6015072. Its totient is φ = 572832.

The previous prime is 2148163. The next prime is 2148187. The reversal of 2148180 is 818412.

It is a super-2 number, since 2×21481802 = 9229354624800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2148180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17842 + ... + 17961.

It is an arithmetic number, because the mean of its divisors is an integer number (250628).

22148180 is an apocalyptic number.

2148180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2148180 is an abundant number, since it is smaller than the sum of its proper divisors (3866892).

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

2148180 is a wasteful number, since it uses less digits than its factorization.

2148180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35815 (or 35813 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 2148180 is about 1465.6670836176. The cubic root of 2148180 is about 129.0298590817.

The spelling of 2148180 in words is "two million, one hundred forty-eight thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 35803 71606 107409 143212 179015 214818 358030 429636 537045 716060 1074090 2148180