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1330024442 = 21692139301
BaseRepresentation
bin100111101000110…
…1000111111111010
310102200200020112112
41033101220333322
510210441240232
6335551012322
744650010165
oct11721507772
93380606475
101330024442
1162284505a
1231150a0a2
1318271b116
14c88d8adc
157bb714b2
hex4f468ffa

1330024442 has 8 divisors (see below), whose sum is σ = 1995205332. Its totient is φ = 664956000.

The previous prime is 1330024441. The next prime is 1330024447. The reversal of 1330024442 is 2444200331.

It can be written as a sum of positive squares in 2 ways, for example, as 1329987961 + 36481 = 36469^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13300244422 = 3537930032634822728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1330024441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14192 + ... + 53492.

Almost surely, 21330024442 is an apocalyptic number.

1330024442 is a deficient number, since it is larger than the sum of its proper divisors (665180890).

1330024442 is a wasteful number, since it uses less digits than its factorization.

1330024442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56224.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1330024442 is about 36469.5001610935. The cubic root of 1330024442 is about 1099.7311855530.

Adding to 1330024442 its reverse (2444200331), we get a palindrome (3774224773).

The spelling of 1330024442 in words is "one billion, three hundred thirty million, twenty-four thousand, four hundred forty-two".

Divisors: 1 2 16921 33842 39301 78602 665012221 1330024442