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1330304242 = 2665152121
BaseRepresentation
bin100111101001010…
…1101010011110010
310102201012110100111
41033102231103302
510211024213432
6340001011534
744652254011
oct11722552362
93381173314
101330304242
11622a162a3
12311623baa
131827b8597
14c896ca78
157bbc9347
hex4f4ad4f2

1330304242 has 4 divisors (see below), whose sum is σ = 1995456366. Its totient is φ = 665152120.

The previous prime is 1330304237. The next prime is 1330304243. The reversal of 1330304242 is 2424030331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1215149881 + 115154361 = 34859^2 + 10731^2 .

It is not an unprimeable number, because it can be changed into a prime (1330304243) 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 as a sum of consecutive naturals, namely, 332576059 + ... + 332576062.

Almost surely, 21330304242 is an apocalyptic number.

1330304242 is a deficient number, since it is larger than the sum of its proper divisors (665152124).

1330304242 is an equidigital number, since it uses as much as digits as its factorization.

1330304242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665152123.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1330304242 is about 36473.3360415523. The cubic root of 1330304242 is about 1099.8082977225.

Adding to 1330304242 its reverse (2424030331), we get a palindrome (3754334573).

The spelling of 1330304242 in words is "one billion, three hundred thirty million, three hundred four thousand, two hundred forty-two".

Divisors: 1 2 665152121 1330304242