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1328330469 = 31811244493
BaseRepresentation
bin100111100101100…
…1011011011100101
310102120111011211210
41033023023123211
510210023033334
6335450422033
744626423404
oct11713133345
93376434753
101328330469
11621898384
12310a31919
1318227707b
14c85b763b
157b9395e9
hex4f2cb6e5

1328330469 has 8 divisors (see below), whose sum is σ = 1772092512. Its totient is φ = 885061040.

The previous prime is 1328330461. The next prime is 1328330483. The reversal of 1328330469 is 9640338231.

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 1328330469 - 23 = 1328330461 is a prime.

It is a super-2 number, since 2×13283304692 = 3528923669747519922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328330461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116814 + ... + 127679.

It is an arithmetic number, because the mean of its divisors is an integer number (221511564).

Almost surely, 21328330469 is an apocalyptic number.

It is an amenable number.

1328330469 is a deficient number, since it is larger than the sum of its proper divisors (443762043).

1328330469 is a wasteful number, since it uses less digits than its factorization.

1328330469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246307.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 1328330469 is about 36446.2682451853. The cubic root of 1328330469 is about 1099.2640998034.

The spelling of 1328330469 in words is "one billion, three hundred twenty-eight million, three hundred thirty thousand, four hundred sixty-nine".

Divisors: 1 3 1811 5433 244493 733479 442776823 1328330469