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1927421342 = 2711217231127
BaseRepresentation
bin111001011100010…
…0001110110011110
311222022210011000122
41302320201312132
512421404440332
6515131154542
765522545130
oct16270416636
94868704018
101927421342
118a9a85200
124595a5a52
13249414c02
14143da5050
15b4327c12
hex72e21d9e

1927421342 has 144 divisors (see below), whose sum is σ = 4013850624. Its totient is φ = 678585600.

The previous prime is 1927421341. The next prime is 1927421423. The reversal of 1927421342 is 2431247291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1927421341) 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 71 ways as a sum of consecutive naturals, for example, 15176483 + ... + 15176609.

Almost surely, 21927421342 is an apocalyptic number.

1927421342 is an abundant number, since it is smaller than the sum of its proper divisors (2086429282).

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

1927421342 is a wasteful number, since it uses less digits than its factorization.

1927421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 195 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 1927421342 is about 43902.4070182946. The cubic root of 1927421342 is about 1244.4923209797.

The spelling of 1927421342 in words is "one billion, nine hundred twenty-seven million, four hundred twenty-one thousand, three hundred forty-two".

Divisors: 1 2 7 11 14 17 22 31 34 62 77 119 121 127 154 187 217 238 242 254 289 341 374 434 527 578 682 847 889 1054 1309 1397 1694 1778 2023 2057 2159 2387 2618 2794 3179 3689 3751 3937 4046 4114 4318 4774 5797 6358 7378 7502 7874 8959 9779 11594 14399 15113 15367 17918 19558 22253 23749 26257 27559 28798 30226 30734 34969 36703 40579 43307 44506 47498 52514 55118 62713 63767 66929 69938 73406 81158 86614 98549 107569 125426 127534 133858 166243 197098 215138 244783 256921 261239 303149 332486 403733 446369 468503 476377 489566 513842 522478 606298 689843 736219 807466 892738 937006 952754 1084039 1137793 1379686 1472438 1828673 2168078 2275586 2826131 3334639 3657346 4441063 5153533 5652262 6669278 7588273 7964551 8098409 8882126 10307066 12515723 15176546 15929102 16196818 25031446 31087441 56688863 62174882 87610061 113377726 137672953 175220122 275345906 963710671 1927421342