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1442316444 = 223120193037
BaseRepresentation
bin101010111111000…
…0000000010011100
310201111222021012120
41111332000002130
510423213111234
6355041502540
750512326132
oct12576000234
93644867176
101442316444
11680171768
12343041a50
1319ca767aa
14d97a9752
1586953049
hex55f8009c

1442316444 has 12 divisors (see below), whose sum is σ = 3365405064. Its totient is φ = 480772144.

The previous prime is 1442316443. The next prime is 1442316457. The reversal of 1442316444 is 4446132441.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442316443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60096507 + ... + 60096530.

It is an arithmetic number, because the mean of its divisors is an integer number (280450422).

Almost surely, 21442316444 is an apocalyptic number.

It is an amenable number.

1442316444 is an abundant number, since it is smaller than the sum of its proper divisors (1923088620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442316444 is a wasteful number, since it uses less digits than its factorization.

1442316444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120193044 (or 120193042 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 1442316444 is about 37977.8414868460. The cubic root of 1442316444 is about 1129.8484261674.

Adding to 1442316444 its reverse (4446132441), we get a palindrome (5888448885).

The spelling of 1442316444 in words is "one billion, four hundred forty-two million, three hundred sixteen thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 120193037 240386074 360579111 480772148 721158222 1442316444