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422980791 = 31713163311
BaseRepresentation
bin11001001101100…
…010110010110111
31002110220122120020
4121031202302313
51331240341131
6105545540223
713324164102
oct3115426267
91073818506
10422980791
111a7841802
12b97a4673
13698296bc
1440267739
1527202996
hex19362cb7

422980791 has 16 divisors (see below), whose sum is σ = 601717248. Its totient is φ = 263369600.

The previous prime is 422980729. The next prime is 422980801. The reversal of 422980791 is 197089224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-422980791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422980721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24975 + ... + 38336.

It is an arithmetic number, because the mean of its divisors is an integer number (37607328).

Almost surely, 2422980791 is an apocalyptic number.

422980791 is a deficient number, since it is larger than the sum of its proper divisors (178736457).

422980791 is a wasteful number, since it uses less digits than its factorization.

422980791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63462.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 422980791 is about 20566.4968091311. The cubic root of 422980791 is about 750.6547118591.

The spelling of 422980791 in words is "four hundred twenty-two million, nine hundred eighty thousand, seven hundred ninety-one".

Divisors: 1 3 17 51 131 393 2227 6681 63311 189933 1076287 3228861 8293741 24881223 140993597 422980791