Base | Representation |
---|---|
bin | 1111000010111000101 |
3 | 221001021011 |
4 | 1320113011 |
5 | 111233442 |
6 | 14322221 |
7 | 4122211 |
oct | 1702705 |
9 | 831234 |
10 | 492997 |
11 | 30743a |
12 | 1b9371 |
13 | 14351b |
14 | cb941 |
15 | 9b117 |
hex | 785c5 |
492997 has 4 divisors (see below), whose sum is σ = 494560. Its totient is φ = 491436.
The previous prime is 492979. The next prime is 493001. The reversal of 492997 is 799294.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799294 = 2 ⋅399647.
It is a cyclic number.
It is not a de Polignac number, because 492997 - 211 = 490949 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (492967) 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, 123 + ... + 1000.
It is an arithmetic number, because the mean of its divisors is an integer number (123640).
2492997 is an apocalyptic number.
It is an amenable number.
492997 is a deficient number, since it is larger than the sum of its proper divisors (1563).
492997 is a wasteful number, since it uses less digits than its factorization.
492997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1562.
The product of its digits is 40824, while the sum is 40.
The square root of 492997 is about 702.1374509311. The cubic root of 492997 is about 78.9977567060.
The spelling of 492997 in words is "four hundred ninety-two thousand, nine hundred ninety-seven".
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