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1442368 = 2631727
BaseRepresentation
bin101100000001001000000
32201021120001
411200021000
5332123433
650525344
715155104
oct5401100
92637501
101442368
118a5744
12596854
133b6695
14297904
151d757d
hex160240

1442368 has 28 divisors (see below), whose sum is σ = 2958592. Its totient is φ = 696960.

The previous prime is 1442351. The next prime is 1442377. The reversal of 1442368 is 8632441.

It is a d-powerful number, because it can be written as 1 + 49 + 410 + 217 + 33 + 62 + 83 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621 + ... + 2347.

It is an arithmetic number, because the mean of its divisors is an integer number (105664).

21442368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479296).

1442368 is an abundant number, since it is smaller than the sum of its proper divisors (1516224).

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

1442368 is an equidigital number, since it uses as much as digits as its factorization.

1442368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 760 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1442368 is about 1200.9862613702. The cubic root of 1442368 is about 112.9861888255.

The spelling of 1442368 in words is "one million, four hundred forty-two thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 727 992 1454 1984 2908 5816 11632 22537 23264 45074 46528 90148 180296 360592 721184 1442368