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1343345620 = 225193348017
BaseRepresentation
bin101000000010001…
…1101001111010100
310110121202000202111
41100010131033110
510222344024440
6341144320404
745201151351
oct12004351724
93417660674
101343345620
1162a3134a1
12315a73104
13185403586
14ca5a5628
157ce034ea
hex5011d3d4

1343345620 has 24 divisors (see below), whose sum is σ = 2835650664. Its totient is φ = 534552576.

The previous prime is 1343345609. The next prime is 1343345677. The reversal of 1343345620 is 265433431.

It can be written as a sum of positive squares in 4 ways, for example, as 13868176 + 1329477444 = 3724^2 + 36462^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 170149 + ... + 177868.

It is an arithmetic number, because the mean of its divisors is an integer number (118152111).

Almost surely, 21343345620 is an apocalyptic number.

1343345620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343345620 is an abundant number, since it is smaller than the sum of its proper divisors (1492305044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1343345620 is a wasteful number, since it uses less digits than its factorization.

1343345620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348219 (or 348217 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 1343345620 is about 36651.6796340904. The cubic root of 1343345620 is about 1103.3905358412.

The spelling of 1343345620 in words is "one billion, three hundred forty-three million, three hundred forty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 348017 696034 1392068 1740085 3480170 6960340 67167281 134334562 268669124 335836405 671672810 1343345620