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1442141 = 292232
BaseRepresentation
bin101100000000101011101
32201021020122
411200011131
5332122031
650524325
715154331
oct5400535
92637218
101442141
118a5558
125966a5
133b654c
142977c1
151d747b
hex16015d

1442141 has 6 divisors (see below), whose sum is σ = 1498590. Its totient is φ = 1386168.

The previous prime is 1442087. The next prime is 1442143. The reversal of 1442141 is 1412441.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 198916 = 1115^2 + 446^2 .

It is not a de Polignac number, because 1442141 - 210 = 1441117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6356 + ... + 6578.

It is an arithmetic number, because the mean of its divisors is an integer number (249765).

21442141 is an apocalyptic number.

It is an amenable number.

1442141 is a deficient number, since it is larger than the sum of its proper divisors (56449).

1442141 is an frugal number, since it uses more digits than its factorization.

1442141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 252 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 1442141 is about 1200.8917519910. The cubic root of 1442141 is about 112.9802612558.

Adding to 1442141 its reverse (1412441), we get a palindrome (2854582).

The spelling of 1442141 in words is "one million, four hundred forty-two thousand, one hundred forty-one".

Divisors: 1 29 223 6467 49729 1442141