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1382223043 = 1459947377
BaseRepresentation
bin101001001100011…
…0000110011000011
310120022220012120001
41102120300303003
510312322114133
6345053500431
746152462535
oct12230606303
93508805501
101382223043
1164a2576a3
12326aa1717
13190496176
14d1805855
158153287d
hex52630cc3

1382223043 has 4 divisors (see below), whose sum is σ = 1383171880. Its totient is φ = 1381274208.

The previous prime is 1382223013. The next prime is 1382223061. The reversal of 1382223043 is 3403222831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1382223043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1382223013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472230 + ... + 475147.

It is an arithmetic number, because the mean of its divisors is an integer number (345792970).

Almost surely, 21382223043 is an apocalyptic number.

1382223043 is a deficient number, since it is larger than the sum of its proper divisors (948837).

1382223043 is an equidigital number, since it uses as much as digits as its factorization.

1382223043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948836.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1382223043 is about 37178.2603546750. The cubic root of 1382223043 is about 1113.9337855367.

Adding to 1382223043 its reverse (3403222831), we get a palindrome (4785445874).

The spelling of 1382223043 in words is "one billion, three hundred eighty-two million, two hundred twenty-three thousand, forty-three".

Divisors: 1 1459 947377 1382223043