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1442341242 = 23422733917
BaseRepresentation
bin101010111111000…
…0110000101111010
310201112000112020000
41111332012011322
510423214404432
6355042213430
750512461336
oct12576060572
93645015200
101442341242
11680189361
12343054276
1319ca84b74
14d97b47c6
158695a57c
hex55f8617a

1442341242 has 40 divisors (see below), whose sum is σ = 3234160116. Its totient is φ = 480446208.

The previous prime is 1442341223. The next prime is 1442341249. The reversal of 1442341242 is 2421432441.

It can be written as a sum of positive squares in 2 ways, for example, as 1232641881 + 209699361 = 35109^2 + 14481^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1442341249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 366268 + ... + 370184.

Almost surely, 21442341242 is an apocalyptic number.

1442341242 is an abundant number, since it is smaller than the sum of its proper divisors (1791818874).

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

1442341242 is a wasteful number, since it uses less digits than its factorization.

1442341242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204 (or 6195 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1442341242 is about 37978.1679652929. The cubic root of 1442341242 is about 1129.8549013578.

Adding to 1442341242 its reverse (2421432441), we get a palindrome (3863773683).

The spelling of 1442341242 in words is "one billion, four hundred forty-two million, three hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 2273 3917 4546 6819 7834 11751 13638 20457 23502 35253 40914 61371 70506 105759 122742 184113 211518 317277 368226 634554 8903341 17806682 26710023 53420046 80130069 160260138 240390207 480780414 721170621 1442341242