Base | Representation |
---|---|
bin | 1101101110100001000 |
3 | 211212000021 |
4 | 1231310020 |
5 | 103343200 |
6 | 13350224 |
7 | 3552241 |
oct | 1556410 |
9 | 755007 |
10 | 449800 |
11 | 287a3a |
12 | 198374 |
13 | 129970 |
14 | b9cc8 |
15 | 8d41a |
hex | 6dd08 |
449800 has 48 divisors (see below), whose sum is σ = 1132740. Its totient is φ = 165120.
The previous prime is 449797. The next prime is 449807. The reversal of 449800 is 8944.
449800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 181476 + 268324 = 426^2 + 518^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (449807) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2514 + ... + 2686.
2449800 is an apocalyptic number.
449800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 449800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566370).
449800 is an abundant number, since it is smaller than the sum of its proper divisors (682940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
449800 is a wasteful number, since it uses less digits than its factorization.
449800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202 (or 193 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 449800 is about 670.6713054843. The cubic root of 449800 is about 76.6195888247.
The spelling of 449800 in words is "four hundred forty-nine thousand, eight hundred".
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