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1382189377 = 4332143939
BaseRepresentation
bin101001001100010…
…1000100101000001
310120022211111101011
41102120220211001
510312320030002
6345053040521
746152262432
oct12230504501
93508744334
101382189377
1164a234378
12326a86141
13190483a4a
14d17d7489
15815278d7
hex52628941

1382189377 has 4 divisors (see below), whose sum is σ = 1414333360. Its totient is φ = 1350045396.

The previous prime is 1382189363. The next prime is 1382189383. The reversal of 1382189377 is 7739812831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1382189377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1382189377.

It is not an unprimeable number, because it can be changed into a prime (1382189317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16071927 + ... + 16072012.

It is an arithmetic number, because the mean of its divisors is an integer number (353583340).

Almost surely, 21382189377 is an apocalyptic number.

It is an amenable number.

1382189377 is a deficient number, since it is larger than the sum of its proper divisors (32143983).

1382189377 is an equidigital number, since it uses as much as digits as its factorization.

1382189377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32143982.

The product of its digits is 508032, while the sum is 49.

The square root of 1382189377 is about 37177.8075873228. The cubic root of 1382189377 is about 1113.9247416516.

The spelling of 1382189377 in words is "one billion, three hundred eighty-two million, one hundred eighty-nine thousand, three hundred seventy-seven".

Divisors: 1 43 32143939 1382189377