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1442894 = 26111827
BaseRepresentation
bin101100000010001001110
32201022021112
411200101032
5332133034
650532022
715156455
oct5402116
92638245
101442894
118a6082
12597012
133b69ab
14297b9c
151d77ce
hex16044e

1442894 has 8 divisors (see below), whose sum is σ = 2200008. Its totient is φ = 709560.

The previous prime is 1442887. The next prime is 1442899. The reversal of 1442894 is 4982441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5792 + ... + 6035.

It is an arithmetic number, because the mean of its divisors is an integer number (275001).

21442894 is an apocalyptic number.

1442894 is a deficient number, since it is larger than the sum of its proper divisors (757114).

1442894 is a wasteful number, since it uses less digits than its factorization.

1442894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11890.

The product of its digits is 9216, while the sum is 32.

The square root of 1442894 is about 1201.2052280939. The cubic root of 1442894 is about 112.9999216853. Note that the first 4 decimals are identical.

The spelling of 1442894 in words is "one million, four hundred forty-two thousand, eight hundred ninety-four".

Divisors: 1 2 61 122 11827 23654 721447 1442894