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1328242349 = 71671136221
BaseRepresentation
bin100111100101011…
…0101111010101101
310102120022200222002
41033022311322231
510210012223344
6335444502045
744625605450
oct11712657255
93376280862
101328242349
11621838155
123109aa925
13182245c25
14c8593497
157b91d44e
hex4f2b5ead

1328242349 has 8 divisors (see below), whose sum is σ = 1527082368. Its totient is φ = 1131675120.

The previous prime is 1328242309. The next prime is 1328242361. The reversal of 1328242349 is 9432428231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1328242349 - 212 = 1328238253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328242309) 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 7 ways as a sum of consecutive naturals, for example, 566942 + ... + 569279.

It is an arithmetic number, because the mean of its divisors is an integer number (190885296).

Almost surely, 21328242349 is an apocalyptic number.

It is an amenable number.

1328242349 is a deficient number, since it is larger than the sum of its proper divisors (198840019).

1328242349 is a wasteful number, since it uses less digits than its factorization.

1328242349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136395.

The product of its digits is 82944, while the sum is 38.

The square root of 1328242349 is about 36445.0593222181. The cubic root of 1328242349 is about 1099.2397912706.

The spelling of 1328242349 in words is "one billion, three hundred twenty-eight million, two hundred forty-two thousand, three hundred forty-nine".

Divisors: 1 7 167 1169 1136221 7953547 189748907 1328242349