Base | Representation |
---|---|
bin | 1111000110101100101 |
3 | 221010221110 |
4 | 1320311211 |
5 | 111314244 |
6 | 14335233 |
7 | 4131000 |
oct | 1706545 |
9 | 833843 |
10 | 494949 |
11 | 308954 |
12 | 1ba519 |
13 | 144390 |
14 | cc537 |
15 | 9b9b9 |
hex | 78d65 |
494949 has 32 divisors (see below), whose sum is σ = 851200. Its totient is φ = 254016.
The previous prime is 494939. The next prime is 494959. The reversal of 494949 is 949494.
It is a happy number.
494949 is nontrivially palindromic in base 15.
It is an interprime number because it is at equal distance from previous prime (494939) and next prime (494959).
It is not a de Polignac number, because 494949 - 24 = 494933 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an alternating number because its digits alternate between even and odd.
494949 is an undulating number in base 10 and base 15.
494949 is a modest number, since divided by 4949 gives 49 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (494939) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13359 + ... + 13395.
It is an arithmetic number, because the mean of its divisors is an integer number (26600).
2494949 is an apocalyptic number.
494949 is a gapful number since it is divisible by the number (49) formed by its first and last digit.
It is an amenable number.
494949 is a deficient number, since it is larger than the sum of its proper divisors (356251).
494949 is a wasteful number, since it uses less digits than its factorization.
494949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74 (or 60 counting only the distinct ones).
The product of its digits is 46656, while the sum is 39.
The square root of 494949 is about 703.5261189181. The cubic root of 494949 is about 79.1018821177.
The spelling of 494949 in words is "four hundred ninety-four thousand, nine hundred forty-nine".
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