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493931331 = 3331757709
BaseRepresentation
bin11101011100001…
…100101101000011
31021102102022102000
4131130030231003
52002421300311
6121002355043
715145230015
oct3534145503
91242368360
10493931331
112338a1a13
121194bba83
137b43ba7a
14498561b5
152d56a056
hex1d70cb43

493931331 has 16 divisors (see below), whose sum is σ = 734071200. Its totient is φ = 328243104.

The previous prime is 493931297. The next prime is 493931351. The reversal of 493931331 is 133139394.

It is not a de Polignac number, because 493931331 - 213 = 493923139 is a prime.

It is a super-2 number, since 2×4939313312 = 487936319486863122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (493931351) 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, 20296 + ... + 37413.

It is an arithmetic number, because the mean of its divisors is an integer number (45879450).

Almost surely, 2493931331 is an apocalyptic number.

493931331 is a deficient number, since it is larger than the sum of its proper divisors (240139869).

493931331 is a wasteful number, since it uses less digits than its factorization.

493931331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58035 (or 58029 counting only the distinct ones).

The product of its digits is 26244, while the sum is 36.

The square root of 493931331 is about 22224.5659350188. The cubic root of 493931331 is about 790.4763089300.

The spelling of 493931331 in words is "four hundred ninety-three million, nine hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 3 9 27 317 951 2853 8559 57709 173127 519381 1558143 18293753 54881259 164643777 493931331