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1442002 = 2977433
BaseRepresentation
bin101100000000011010010
32201021001111
411200003102
5332121002
650523534
715154042
oct5400322
92637044
101442002
118a5441
125965aa
133b6473
14297722
151d73d7
hex1600d2

1442002 has 8 divisors (see below), whose sum is σ = 2185596. Its totient is φ = 713472.

The previous prime is 1441981. The next prime is 1442003. The reversal of 1442002 is 2002441.

It can be written as a sum of positive squares in 2 ways, for example, as 1320201 + 121801 = 1149^2 + 349^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1442003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3523 + ... + 3910.

21442002 is an apocalyptic number.

1442002 is a deficient number, since it is larger than the sum of its proper divisors (743594).

1442002 is an equidigital number, since it uses as much as digits as its factorization.

1442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1442002 is about 1200.8338769372. The cubic root of 1442002 is about 112.9766312916.

Adding to 1442002 its reverse (2002441), we get a palindrome (3444443).

The spelling of 1442002 in words is "one million, four hundred forty-two thousand, two".

Divisors: 1 2 97 194 7433 14866 721001 1442002