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1344446889 = 3990145263
BaseRepresentation
bin101000000100010…
…1010000110101001
310110200210222102020
41100020222012221
510223134300024
6341224055053
745213416142
oct12010520651
93420728366
101344446889
1162a9a5935
12316304489
131856ca906
14ca7b0ac9
157d06e979
hex5022a1a9

1344446889 has 8 divisors (see below), whose sum is σ = 1792816512. Its totient is φ = 896187600.

The previous prime is 1344446879. The next prime is 1344446903. The reversal of 1344446889 is 9886444431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1344446889 - 215 = 1344414121 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1344446809) 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 7 ways as a sum of consecutive naturals, for example, 7072 + ... + 52334.

It is an arithmetic number, because the mean of its divisors is an integer number (224102064).

Almost surely, 21344446889 is an apocalyptic number.

It is an amenable number.

1344446889 is a deficient number, since it is larger than the sum of its proper divisors (448369623).

1344446889 is an equidigital number, since it uses as much as digits as its factorization.

1344446889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55167.

The product of its digits is 2654208, while the sum is 51.

The square root of 1344446889 is about 36666.7000015000. The cubic root of 1344446889 is about 1103.6919717666.

The spelling of 1344446889 in words is "one billion, three hundred forty-four million, four hundred forty-six thousand, eight hundred eighty-nine".

Divisors: 1 3 9901 29703 45263 135789 448148963 1344446889