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1080642423 = 37319311783
BaseRepresentation
bin100000001101001…
…0100101101110111
32210022102022201110
41000122110231313
54203121024143
6255121530103
735531211000
oct10032245567
92708368643
101080642423
11504aa3713
12261aa3933
13142b63ab3
14a37401a7
1564d10533
hex40694b77

1080642423 has 64 divisors (see below), whose sum is σ = 1826816000. Its totient is φ = 565820640.

The previous prime is 1080642403. The next prime is 1080642427. The reversal of 1080642423 is 3242460801.

It is not a de Polignac number, because 1080642423 - 26 = 1080642359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080642427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 605190 + ... + 606972.

It is an arithmetic number, because the mean of its divisors is an integer number (28544000).

Almost surely, 21080642423 is an apocalyptic number.

1080642423 is a deficient number, since it is larger than the sum of its proper divisors (746173577).

1080642423 is a wasteful number, since it uses less digits than its factorization.

1080642423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1080642423 is about 32873.1261519193. The cubic root of 1080642423 is about 1026.1889587717.

The spelling of 1080642423 in words is "one billion, eighty million, six hundred forty-two thousand, four hundred twenty-three".

Divisors: 1 3 7 19 21 31 49 57 93 133 147 217 343 399 589 651 931 1029 1519 1767 1783 2793 4123 4557 5349 6517 10633 12369 12481 19551 28861 31899 33877 37443 55273 86583 87367 101631 165819 202027 237139 262101 386911 606081 611569 711417 1050187 1160733 1659973 1834707 2708377 3150561 4979919 7351309 8125131 11619811 18958639 22053927 34859433 51459163 56875917 154377489 360214141 1080642423