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1442330 = 25236271
BaseRepresentation
bin101100000001000011010
32201021111122
411200020122
5332123310
650525242
715155021
oct5401032
92637448
101442330
118a570a
12596822
133b6666
142978b8
151d7555
hex16021a

1442330 has 16 divisors (see below), whose sum is σ = 2709504. Its totient is φ = 551760.

The previous prime is 1442327. The next prime is 1442333. The reversal of 1442330 is 332441.

It is an interprime number because it is at equal distance from previous prime (1442327) and next prime (1442333).

It is a junction number, because it is equal to n+sod(n) for n = 1442299 and 1442308.

It is not an unprimeable number, because it can be changed into a prime (1442333) 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 7 ways as a sum of consecutive naturals, for example, 2906 + ... + 3365.

It is an arithmetic number, because the mean of its divisors is an integer number (169344).

21442330 is an apocalyptic number.

1442330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442330 is a deficient number, since it is larger than the sum of its proper divisors (1267174).

1442330 is a wasteful number, since it uses less digits than its factorization.

1442330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1442330 is about 1200.9704409352. The cubic root of 1442330 is about 112.9851965885.

Adding to 1442330 its reverse (332441), we get a palindrome (1774771).

The spelling of 1442330 in words is "one million, four hundred forty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 6271 12542 31355 62710 144233 288466 721165 1442330