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1442812 = 2272272
BaseRepresentation
bin101100000001111111100
32201022011111
411200033330
5332132222
650531404
715156310
oct5401774
92638144
101442812
118a6008
12596b64
133b6947
14297b40
151d7777
hex1603fc

1442812 has 18 divisors (see below), whose sum is σ = 2898392. Its totient is φ = 615624.

The previous prime is 1442797. The next prime is 1442827. The reversal of 1442812 is 2182441.

It is an interprime number because it is at equal distance from previous prime (1442797) and next prime (1442827).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6243 + ... + 6469.

21442812 is an apocalyptic number.

It is an amenable number.

1442812 is an abundant number, since it is smaller than the sum of its proper divisors (1455580).

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

1442812 is an equidigital number, since it uses as much as digits as its factorization.

1442812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 236 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The square root of 1442812 is about 1201.1710952233. The cubic root of 1442812 is about 112.9977810408.

The spelling of 1442812 in words is "one million, four hundred forty-two thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 227 454 908 1589 3178 6356 51529 103058 206116 360703 721406 1442812