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1442023 = 11337389
BaseRepresentation
bin101100000000011100111
32201021002021
411200003213
5332121043
650524011
715154102
oct5400347
92637067
101442023
118a5460
12596607
133b648b
14297739
151d73ed
hex1600e7

1442023 has 8 divisors (see below), whose sum is σ = 1581840. Its totient is φ = 1303680.

The previous prime is 1442017. The next prime is 1442053. The reversal of 1442023 is 3202441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1442023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1441988 and 1442006.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3513 + ... + 3901.

It is an arithmetic number, because the mean of its divisors is an integer number (197730).

21442023 is an apocalyptic number.

1442023 is a deficient number, since it is larger than the sum of its proper divisors (139817).

1442023 is a wasteful number, since it uses less digits than its factorization.

1442023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1442023 is about 1200.8426208292. The cubic root of 1442023 is about 112.9771797184.

Adding to 1442023 its reverse (3202441), we get a palindrome (4644464).

The spelling of 1442023 in words is "one million, four hundred forty-two thousand, twenty-three".

Divisors: 1 11 337 389 3707 4279 131093 1442023