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1143232242 = 231910028353
BaseRepresentation
bin100010000100100…
…0101011011110010
32221200012012210220
41010021011123302
54320131412432
6305235233510
740221212415
oct10411053362
92850165726
101143232242
11537363339
1227aa48896
13152b097a9
14abb93b7c
156a57572c
hex442456f2

1143232242 has 16 divisors (see below), whose sum is σ = 2406804960. Its totient is φ = 361020672.

The previous prime is 1143232193. The next prime is 1143232243. The reversal of 1143232242 is 2422323411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1143232243) 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 7 ways as a sum of consecutive naturals, for example, 5014063 + ... + 5014290.

It is an arithmetic number, because the mean of its divisors is an integer number (150425310).

Almost surely, 21143232242 is an apocalyptic number.

1143232242 is an abundant number, since it is smaller than the sum of its proper divisors (1263572718).

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

1143232242 is a wasteful number, since it uses less digits than its factorization.

1143232242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028377.

The product of its digits is 2304, while the sum is 24.

The square root of 1143232242 is about 33811.7175251421. The cubic root of 1143232242 is about 1045.6302881740.

Adding to 1143232242 its reverse (2422323411), we get a palindrome (3565555653).

The spelling of 1143232242 in words is "one billion, one hundred forty-three million, two hundred thirty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 10028353 20056706 30085059 60170118 190538707 381077414 571616121 1143232242