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2383399445 = 57231192
BaseRepresentation
bin1000111000001111…
…1100101000010101
320011002210020101112
42032003330220111
514340122240240
61032300304405
7113030363300
oct21603745025
96132706345
102383399445
111013404309
12566242105
132bca2593b
1418877bb37
15de397665
hex8e0fca15

2383399445 has 18 divisors (see below), whose sum is σ = 3328098102. Its totient is φ = 1633807056.

The previous prime is 2383399433. The next prime is 2383399471. The reversal of 2383399445 is 5449933832.

It can be written as a sum of positive squares in only one way, i.e., 1906719556 + 476679889 = 43666^2 + 21833^2 .

It is not a de Polignac number, because 2383399445 - 28 = 2383399189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2383399393 and 2383399402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 762596 + ... + 765714.

It is an arithmetic number, because the mean of its divisors is an integer number (184894339).

Almost surely, 22383399445 is an apocalyptic number.

It is an amenable number.

2383399445 is a deficient number, since it is larger than the sum of its proper divisors (944698657).

2383399445 is an frugal number, since it uses more digits than its factorization.

2383399445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6257 (or 3131 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 50.

The square root of 2383399445 is about 48820.0721527529. The cubic root of 2383399445 is about 1335.7718224358.

The spelling of 2383399445 in words is "two billion, three hundred eighty-three million, three hundred ninety-nine thousand, four hundred forty-five".

Divisors: 1 5 7 35 49 245 3119 15595 21833 109165 152831 764155 9728161 48640805 68097127 340485635 476679889 2383399445