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1307642343 = 3791967757
BaseRepresentation
bin100110111110001…
…0000100111100111
310101010120010001220
41031330100213213
510134224023333
6333431151423
744255530230
oct11574204747
93333503056
101307642343
11611148057
12305b15573
1317abb2687
14c5950087
1579bee8b3
hex4df109e7

1307642343 has 16 divisors (see below), whose sum is σ = 1994795520. Its totient is φ = 746400096.

The previous prime is 1307642321. The next prime is 1307642351. The reversal of 1307642343 is 3432467031.

It is not a de Polignac number, because 1307642343 - 29 = 1307641831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307642383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14580 + ... + 53177.

It is an arithmetic number, because the mean of its divisors is an integer number (124674720).

Almost surely, 21307642343 is an apocalyptic number.

1307642343 is a deficient number, since it is larger than the sum of its proper divisors (687153177).

1307642343 is an equidigital number, since it uses as much as digits as its factorization.

1307642343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68686.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 1307642343 is about 36161.3376826688. The cubic root of 1307642343 is about 1093.5273721663.

The spelling of 1307642343 in words is "one billion, three hundred seven million, six hundred forty-two thousand, three hundred forty-three".

Divisors: 1 3 7 21 919 2757 6433 19299 67757 203271 474299 1422897 62268683 186806049 435880781 1307642343