Base | Representation |
---|---|
bin | 1111000001010111100 |
3 | 221000012101 |
4 | 1320022330 |
5 | 111222340 |
6 | 14314444 |
7 | 4120021 |
oct | 1701274 |
9 | 830171 |
10 | 492220 |
11 | 3068a3 |
12 | 1b8a24 |
13 | 143071 |
14 | cb548 |
15 | 9ac9a |
hex | 782bc |
492220 has 12 divisors (see below), whose sum is σ = 1033704. Its totient is φ = 196880.
The previous prime is 492113. The next prime is 492227. The reversal of 492220 is 22294.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (492227) 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, 12286 + ... + 12325.
It is an arithmetic number, because the mean of its divisors is an integer number (86142).
2492220 is an apocalyptic number.
It is an amenable number.
492220 is an abundant number, since it is smaller than the sum of its proper divisors (541484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
492220 is a wasteful number, since it uses less digits than its factorization.
492220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24620 (or 24618 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 492220 is about 701.5839222787. The cubic root of 492220 is about 78.9562327668.
The spelling of 492220 in words is "four hundred ninety-two thousand, two hundred twenty".
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