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1442361 = 3480787
BaseRepresentation
bin101100000001000111001
32201021112210
411200020321
5332123421
650525333
715155064
oct5401071
92637483
101442361
118a5738
12596849
133b668b
142978db
151d7576
hex160239

1442361 has 4 divisors (see below), whose sum is σ = 1923152. Its totient is φ = 961572.

The previous prime is 1442351. The next prime is 1442377. The reversal of 1442361 is 1632441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1442361 - 29 = 1441849 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1442321) 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, 240391 + ... + 240396.

It is an arithmetic number, because the mean of its divisors is an integer number (480788).

21442361 is an apocalyptic number.

It is an amenable number.

1442361 is a deficient number, since it is larger than the sum of its proper divisors (480791).

1442361 is an equidigital number, since it uses as much as digits as its factorization.

1442361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480790.

The product of its digits is 576, while the sum is 21.

The square root of 1442361 is about 1200.9833470952. The cubic root of 1442361 is about 112.9860060463.

The spelling of 1442361 in words is "one million, four hundred forty-two thousand, three hundred sixty-one".

Divisors: 1 3 480787 1442361