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1442241443 = 1804979907
BaseRepresentation
bin101010111110110…
…1101101110100011
310201111211110022202
41111331231232203
510423203211233
6355040123415
750511564356
oct12575555643
93644743282
101442241443
11680120385
1234300656b
1319ca4b606
14d978a29d
158693abe8
hex55f6dba3

1442241443 has 4 divisors (see below), whose sum is σ = 1442339400. Its totient is φ = 1442143488.

The previous prime is 1442241433. The next prime is 1442241467. The reversal of 1442241443 is 3441422441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1442241443 - 28 = 1442241187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442241403) 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, 21905 + ... + 58002.

It is an arithmetic number, because the mean of its divisors is an integer number (360584850).

Almost surely, 21442241443 is an apocalyptic number.

1442241443 is a deficient number, since it is larger than the sum of its proper divisors (97957).

1442241443 is an equidigital number, since it uses as much as digits as its factorization.

1442241443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97956.

The product of its digits is 12288, while the sum is 29.

The square root of 1442241443 is about 37976.8540429562. The cubic root of 1442241443 is about 1129.8288416463.

Adding to 1442241443 its reverse (3441422441), we get a palindrome (4883663884).

The spelling of 1442241443 in words is "one billion, four hundred forty-two million, two hundred forty-one thousand, four hundred forty-three".

Divisors: 1 18049 79907 1442241443