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1830474 = 232101693
BaseRepresentation
bin110111110111001001010
310102222221100
412332321022
5432033344
6103122230
721362442
oct6767112
93388840
101830474
111040298
12743376
134c1229
14359122
15262569
hex1bee4a

1830474 has 12 divisors (see below), whose sum is σ = 3966066. Its totient is φ = 610152.

The previous prime is 1830469. The next prime is 1830481. The reversal of 1830474 is 4740381.

It can be written as a sum of positive squares in only one way, i.e., 1703025 + 127449 = 1305^2 + 357^2 .

It is a Curzon number.

It is an unprimeable number.

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, 50829 + ... + 50864.

21830474 is an apocalyptic number.

1830474 is an abundant number, since it is smaller than the sum of its proper divisors (2135592).

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

1830474 is a wasteful number, since it uses less digits than its factorization.

1830474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101701 (or 101698 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1830474 is about 1352.9501099449. The cubic root of 1830474 is about 122.3266797844.

It can be divided in two parts, 1830 and 474, that added together give a square (2304 = 482).

The spelling of 1830474 in words is "one million, eight hundred thirty thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 18 101693 203386 305079 610158 915237 1830474