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1344364189 = 7192052027
BaseRepresentation
bin101000000100001…
…0101111010011101
310110200122202222021
41100020111322131
510223124123224
6341222220141
745212623060
oct12010257235
93420582867
101344364189
1162a949793
12316284651
1318569c08c
14ca78c8d7
157d0551e4
hex50215e9d

1344364189 has 4 divisors (see below), whose sum is σ = 1536416224. Its totient is φ = 1152312156.

The previous prime is 1344364181. The next prime is 1344364193. The reversal of 1344364189 is 9814634431.

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 not a de Polignac number, because 1344364189 - 23 = 1344364181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344364181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96026007 + ... + 96026020.

It is an arithmetic number, because the mean of its divisors is an integer number (384104056).

Almost surely, 21344364189 is an apocalyptic number.

It is an amenable number.

1344364189 is a deficient number, since it is larger than the sum of its proper divisors (192052035).

1344364189 is an equidigital number, since it uses as much as digits as its factorization.

1344364189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192052034.

The product of its digits is 248832, while the sum is 43.

The square root of 1344364189 is about 36665.5722579097. The cubic root of 1344364189 is about 1103.6693410976.

The spelling of 1344364189 in words is "one billion, three hundred forty-four million, three hundred sixty-four thousand, one hundred eighty-nine".

Divisors: 1 7 192052027 1344364189