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563405481 = 32349917891
BaseRepresentation
bin100001100101001…
…110001010101001
31110021010222000200
4201211032022221
52123212433411
6131523422413
716650603402
oct4145161251
91407128020
10563405481
1126a033971
12138824a09
138c955132
1454b7c9a9
15346dee56
hex2194e2a9

563405481 has 12 divisors (see below), whose sum is σ = 814086000. Its totient is φ = 375475320.

The previous prime is 563405441. The next prime is 563405567. The reversal of 563405481 is 184504365.

It is a happy number.

563405481 is a `hidden beast` number, since 563 + 40 + 54 + 8 + 1 = 666.

It is not a de Polignac number, because 563405481 - 214 = 563389097 is a prime.

It is a super-2 number, since 2×5634054812 = 634851472041682722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (563405441) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22546 + ... + 40436.

It is an arithmetic number, because the mean of its divisors is an integer number (67840500).

Almost surely, 2563405481 is an apocalyptic number.

It is an amenable number.

563405481 is a deficient number, since it is larger than the sum of its proper divisors (250680519).

563405481 is a wasteful number, since it uses less digits than its factorization.

563405481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21396 (or 21393 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 563405481 is about 23736.1639908390. The cubic root of 563405481 is about 825.9245128951.

The spelling of 563405481 in words is "five hundred sixty-three million, four hundred five thousand, four hundred eighty-one".

Divisors: 1 3 9 3499 10497 17891 31491 53673 161019 62600609 187801827 563405481