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1344031505 = 5314753592
BaseRepresentation
bin101000000011100…
…0100101100010001
310110200000212121122
41100013010230101
510223033002010
6341211132025
745210036125
oct12007045421
93420025548
101344031505
1162a741843
12316144015
131855b381b
14ca703585
157cedb855
hex501c4b11

1344031505 has 48 divisors (see below), whose sum is σ = 1762228224. Its totient is φ = 982250880.

The previous prime is 1344031471. The next prime is 1344031523. The reversal of 1344031505 is 5051304431.

It is not a de Polignac number, because 1344031505 - 210 = 1344030481 is a prime.

It is a super-3 number, since 3×13440315053 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 22780166 + ... + 22780224.

It is an arithmetic number, because the mean of its divisors is an integer number (36713088).

Almost surely, 21344031505 is an apocalyptic number.

It is an amenable number.

1344031505 is a deficient number, since it is larger than the sum of its proper divisors (418196719).

1344031505 is an equidigital number, since it uses as much as digits as its factorization.

1344031505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1344031505 is about 36661.0352417932. The cubic root of 1344031505 is about 1103.5782934916.

Adding to 1344031505 its reverse (5051304431), we get a palindrome (6395335936).

The spelling of 1344031505 in words is "one billion, three hundred forty-four million, thirty-one thousand, five hundred five".

Divisors: 1 5 31 47 53 59 155 235 265 295 1457 1643 1829 2491 2773 3127 3481 7285 8215 9145 12455 13865 15635 17405 77221 85963 96937 107911 146969 163607 184493 386105 429815 484685 539555 734845 818035 922465 4556039 5071817 5719283 8671171 22780195 25359085 28596415 43355855 268806301 1344031505