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1442884 = 221372633
BaseRepresentation
bin101100000010001000100
32201022021011
411200101010
5332133014
650532004
715156442
oct5402104
92638234
101442884
118a6073
12597004
133b69a1
14297b92
151d77c4
hex160444

1442884 has 12 divisors (see below), whose sum is σ = 2544444. Its totient is φ = 715904.

The previous prime is 1442873. The next prime is 1442887. The reversal of 1442884 is 4882441.

It can be written as a sum of positive squares in 2 ways, for example, as 521284 + 921600 = 722^2 + 960^2 .

It is not an unprimeable number, because it can be changed into a prime (1442887) 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, 769 + ... + 1864.

It is an arithmetic number, because the mean of its divisors is an integer number (212037).

21442884 is an apocalyptic number.

It is an amenable number.

1442884 is a deficient number, since it is larger than the sum of its proper divisors (1101560).

1442884 is a wasteful number, since it uses less digits than its factorization.

1442884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774 (or 2772 counting only the distinct ones).

The product of its digits is 8192, while the sum is 31.

The square root of 1442884 is about 1201.2010656006. The cubic root of 1442884 is about 112.9996606354. Note that the first 3 decimals are identical.

The spelling of 1442884 in words is "one million, four hundred forty-two thousand, eight hundred eighty-four".

Divisors: 1 2 4 137 274 548 2633 5266 10532 360721 721442 1442884