Search a number
-
+
1442242333 = 72290310139
BaseRepresentation
bin101010111110110…
…1101111100011101
310201111211111112201
41111331231330131
510423203223313
6355040131501
750511600100
oct12575557435
93644744481
101442242333
11680121014
12343006b91
1319ca4bb3c
14d978a737
158693b0dd
hex55f6df1d

1442242333 has 12 divisors (see below), whose sum is σ = 1678453920. Its totient is φ = 1235659992.

The previous prime is 1442242331. The next prime is 1442242381. The reversal of 1442242333 is 3332422441.

It is not a de Polignac number, because 1442242333 - 21 = 1442242331 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 (1442242331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137178 + ... + 147316.

It is an arithmetic number, because the mean of its divisors is an integer number (139871160).

Almost surely, 21442242333 is an apocalyptic number.

It is an amenable number.

1442242333 is a deficient number, since it is larger than the sum of its proper divisors (236211587).

1442242333 is a wasteful number, since it uses less digits than its factorization.

1442242333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13056 (or 13049 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 1442242333 is about 37976.8657606180. The cubic root of 1442242333 is about 1129.8290740501.

Adding to 1442242333 its reverse (3332422441), we get a palindrome (4774664774).

The spelling of 1442242333 in words is "one billion, four hundred forty-two million, two hundred forty-two thousand, three hundred thirty-three".

Divisors: 1 7 49 2903 10139 20321 70973 142247 496811 29433517 206034619 1442242333