Base | Representation |
---|---|
bin | 11101100000001… |
… | …100111111000101 |
3 | 1021111101122100220 |
4 | 131200030333011 |
5 | 2003203343221 |
6 | 121041054553 |
7 | 15160161321 |
oct | 3540147705 |
9 | 1244348326 |
10 | 494981061 |
11 | 234449663 |
12 | 119927459 |
13 | 7b718803 |
14 | 49a4a981 |
15 | 2d6c60c6 |
hex | 1d80cfc5 |
494981061 has 16 divisors (see below), whose sum is σ = 721340928. Its totient is φ = 300556800.
The previous prime is 494981051. The next prime is 494981063. The reversal of 494981061 is 160189494.
It is not a de Polignac number, because 494981061 - 25 = 494981029 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (494981063) 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, 154960 + ... + 158121.
It is an arithmetic number, because the mean of its divisors is an integer number (45083808).
Almost surely, 2494981061 is an apocalyptic number.
It is an amenable number.
494981061 is a deficient number, since it is larger than the sum of its proper divisors (226359867).
494981061 is a wasteful number, since it uses less digits than its factorization.
494981061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 313132.
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 494981061 is about 22248.1698348426. The cubic root of 494981061 is about 791.0359005849.
The spelling of 494981061 in words is "four hundred ninety-four million, nine hundred eighty-one thousand, sixty-one".
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