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1442471 = 2296299
BaseRepresentation
bin101100000001010100111
32201021200212
411200022213
5332124341
650530035
715155312
oct5401247
92637625
101442471
118a5828
1259691b
133b6744
14297979
151d75eb
hex1602a7

1442471 has 4 divisors (see below), whose sum is σ = 1449000. Its totient is φ = 1435944.

The previous prime is 1442459. The next prime is 1442509. The reversal of 1442471 is 1742441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1742441 = 3747093.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1442471 is a prime.

It is a super-3 number, since 3×14424713 = 9004145967361959333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442411) 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, 2921 + ... + 3378.

It is an arithmetic number, because the mean of its divisors is an integer number (362250).

21442471 is an apocalyptic number.

1442471 is a deficient number, since it is larger than the sum of its proper divisors (6529).

1442471 is an equidigital number, since it uses as much as digits as its factorization.

1442471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528.

The product of its digits is 896, while the sum is 23.

The square root of 1442471 is about 1201.0291420278. The cubic root of 1442471 is about 112.9888782225.

The spelling of 1442471 in words is "one million, four hundred forty-two thousand, four hundred seventy-one".

Divisors: 1 229 6299 1442471