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1324969772 = 22747320349
BaseRepresentation
bin100111011111001…
…0110111100101100
310102100011102211112
41032332112330230
510203143013042
6335250411152
744556025430
oct11676267454
93370142745
101324969772
1161aa02445
1230b890ab8
1318166b4a9
14c7d809c0
157b4c3982
hex4ef96f2c

1324969772 has 12 divisors (see below), whose sum is σ = 2649939600. Its totient is φ = 567844176.

The previous prime is 1324969771. The next prime is 1324969799. The reversal of 1324969772 is 2779694231.

1324969772 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1324969772.

It is not an unprimeable number, because it can be changed into a prime (1324969771) 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 3 ways as a sum of consecutive naturals, for example, 23660147 + ... + 23660202.

It is an arithmetic number, because the mean of its divisors is an integer number (220828300).

Almost surely, 21324969772 is an apocalyptic number.

It is an amenable number.

1324969772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1324969772 is a wasteful number, since it uses less digits than its factorization.

1324969772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47320360 (or 47320358 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 50.

The square root of 1324969772 is about 36400.1342305217. The cubic root of 1324969772 is about 1098.3362650576.

The spelling of 1324969772 in words is "one billion, three hundred twenty-four million, nine hundred sixty-nine thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 14 28 47320349 94640698 189281396 331242443 662484886 1324969772