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1389827324 = 2216318111777
BaseRepresentation
bin101001011010111…
…0001010011111100
310120212012112200002
41102311301103330
510321243433244
6345524453432
746304223464
oct12265612374
93525175602
101389827324
11653580926
1232954a278
13191c29442
14d2824ba4
1582035a4e
hex52d714fc

1389827324 has 24 divisors (see below), whose sum is σ = 2460848208. Its totient is φ = 686776320.

The previous prime is 1389827323. The next prime is 1389827393. The reversal of 1389827324 is 4237289831.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389827323) 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 in 7 ways as a sum of consecutive naturals, for example, 112124 + ... + 123900.

It is an arithmetic number, because the mean of its divisors is an integer number (102535342).

Almost surely, 21389827324 is an apocalyptic number.

It is an amenable number.

1389827324 is a deficient number, since it is larger than the sum of its proper divisors (1071020884).

1389827324 is a wasteful number, since it uses less digits than its factorization.

1389827324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125 (or 12123 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 1389827324 is about 37280.3879271662. The cubic root of 1389827324 is about 1115.9728146493.

The spelling of 1389827324 in words is "one billion, three hundred eighty-nine million, eight hundred twenty-seven thousand, three hundred twenty-four".

Divisors: 1 2 4 163 181 326 362 652 724 11777 23554 29503 47108 59006 118012 1919651 2131637 3839302 4263274 7678604 8526548 347456831 694913662 1389827324