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3040218 = 232168901
BaseRepresentation
bin1011100110001111011010
312201110101200
423212033122
51234241333
6145055030
734561416
oct13461732
95643350
103040218
111797185
121027476
13825a5c
14591d46
15400c13
hex2e63da

3040218 has 12 divisors (see below), whose sum is σ = 6587178. Its totient is φ = 1013400.

The previous prime is 3040217. The next prime is 3040223. The reversal of 3040218 is 8120403.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2169729 + 870489 = 1473^2 + 933^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 168901 = 3040218 / (3 + 0 + 4 + 0 + 2 + 1 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 3040218.

It is not an unprimeable number, because it can be changed into a prime (3040217) 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 5 ways as a sum of consecutive naturals, for example, 84433 + ... + 84468.

Almost surely, 23040218 is an apocalyptic number.

3040218 is an abundant number, since it is smaller than the sum of its proper divisors (3546960).

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

3040218 is a wasteful number, since it uses less digits than its factorization.

3040218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168909 (or 168906 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3040218 is about 1743.6220920830. The cubic root of 3040218 is about 144.8665915231.

The spelling of 3040218 in words is "three million, forty thousand, two hundred eighteen".

Divisors: 1 2 3 6 9 18 168901 337802 506703 1013406 1520109 3040218