Base | Representation |
---|---|
bin | 1111000100111001111 |
3 | 221002200110 |
4 | 1320213033 |
5 | 111302111 |
6 | 14331103 |
7 | 4125216 |
oct | 1704717 |
9 | 832613 |
10 | 494031 |
11 | 30819a |
12 | 1b9a93 |
13 | 143b35 |
14 | cc07d |
15 | 9b5a6 |
hex | 789cf |
494031 has 4 divisors (see below), whose sum is σ = 658712. Its totient is φ = 329352.
The previous prime is 494029. The next prime is 494041. The reversal of 494031 is 130494.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 494031 - 21 = 494029 is a prime.
It is a super-2 number, since 2×4940312 = 488133257922, which contains 22 as substring.
It is an Ulam number.
It is a D-number.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 493989 and 494007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (494041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82336 + ... + 82341.
It is an arithmetic number, because the mean of its divisors is an integer number (164678).
2494031 is an apocalyptic number.
494031 is a deficient number, since it is larger than the sum of its proper divisors (164681).
494031 is a wasteful number, since it uses less digits than its factorization.
494031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164680.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 494031 is about 702.8733883140. The cubic root of 494031 is about 79.0529474677.
The spelling of 494031 in words is "four hundred ninety-four thousand, thirty-one".
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