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1324477889 = 7227030161
BaseRepresentation
bin100111011110001…
…1110110111000001
310102022020110002122
41032330132313001
510203031243024
6335232054025
744551606400
oct11674366701
93368213078
101324477889
1161a6a6929
1230b694315
13181528637
14c7c93637
157b427d5e
hex4ef1edc1

1324477889 has 6 divisors (see below), whose sum is σ = 1540719234. Its totient is φ = 1135266720.

The previous prime is 1324477841. The next prime is 1324477951. The reversal of 1324477889 is 9887744231.

It can be written as a sum of positive squares in only one way, i.e., 1001089600 + 323388289 = 31640^2 + 17983^2 .

It is a de Polignac number, because none of the positive numbers 2k-1324477889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1324477889.

It is not an unprimeable number, because it can be changed into a prime (1324479889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13515032 + ... + 13515129.

It is an arithmetic number, because the mean of its divisors is an integer number (256786539).

Almost surely, 21324477889 is an apocalyptic number.

It is an amenable number.

1324477889 is a deficient number, since it is larger than the sum of its proper divisors (216241345).

1324477889 is an equidigital number, since it uses as much as digits as its factorization.

1324477889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27030175 (or 27030168 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The square root of 1324477889 is about 36393.3769936234. The cubic root of 1324477889 is about 1098.2003324457.

The spelling of 1324477889 in words is "one billion, three hundred twenty-four million, four hundred seventy-seven thousand, eight hundred eighty-nine".

Divisors: 1 7 49 27030161 189211127 1324477889