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1330745527 = 1379713471
BaseRepresentation
bin100111101010001…
…1001000010110111
310102202000212200101
41033110121002313
510211132324102
6340014254531
744656102366
oct11724310267
93382025611
101330745527
116231978a1
123117b7447
131829113b7
14c8a457dd
157bc64e87
hex4f5190b7

1330745527 has 4 divisors (see below), whose sum is σ = 1340459136. Its totient is φ = 1321031920.

The previous prime is 1330745509. The next prime is 1330745539. The reversal of 1330745527 is 7255470331.

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

It is a cyclic number.

It is not a de Polignac number, because 1330745527 - 215 = 1330712759 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 (1330740527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4856599 + ... + 4856872.

It is an arithmetic number, because the mean of its divisors is an integer number (335114784).

Almost surely, 21330745527 is an apocalyptic number.

1330745527 is a deficient number, since it is larger than the sum of its proper divisors (9713609).

1330745527 is an equidigital number, since it uses as much as digits as its factorization.

1330745527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9713608.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 1330745527 is about 36479.3849591793. The cubic root of 1330745527 is about 1099.9298927771.

It can be divided in two parts, 133074 and 5527, that added together give a triangular number (138601 = T526).

The spelling of 1330745527 in words is "one billion, three hundred thirty million, seven hundred forty-five thousand, five hundred twenty-seven".

Divisors: 1 137 9713471 1330745527