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1442286 = 23429307
BaseRepresentation
bin101100000000111101110
32201021110000
411200013232
5332123121
650525130
715154626
oct5400756
92637400
101442286
118a567a
125967a6
133b6631
14297886
151d7526
hex1601ee

1442286 has 40 divisors (see below), whose sum is σ = 3354120. Its totient is φ = 462672.

The previous prime is 1442279. The next prime is 1442299. The reversal of 1442286 is 6822441.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4545 + ... + 4851.

It is an arithmetic number, because the mean of its divisors is an integer number (83853).

21442286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677060).

1442286 is an abundant number, since it is smaller than the sum of its proper divisors (1911834).

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

1442286 is a wasteful number, since it uses less digits than its factorization.

1442286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 341 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1442286 is about 1200.9521222763. The cubic root of 1442286 is about 112.9840476606.

It can be divided in two parts, 1442 and 286, that added together give a cube (1728 = 123).

The spelling of 1442286 in words is "one million, four hundred forty-two thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 29 54 58 81 87 162 174 261 307 522 614 783 921 1566 1842 2349 2763 4698 5526 8289 8903 16578 17806 24867 26709 49734 53418 80127 160254 240381 480762 721143 1442286