Base | Representation |
---|---|
bin | 101011001110000… |
… | …0101110000111010 |
3 | 10202001211000012100 |
4 | 1112130011300322 |
5 | 10432223013333 |
6 | 355522524230 |
7 | 50636350431 |
oct | 12634056072 |
9 | 3661730170 |
10 | 1450204218 |
11 | 684669991 |
12 | 345806676 |
13 | 1a15a8b08 |
14 | da860118 |
15 | 874b0213 |
hex | 56705c3a |
1450204218 has 48 divisors (see below), whose sum is σ = 3268629000. Its totient is φ = 464123520.
The previous prime is 1450204207. The next prime is 1450204219. The reversal of 1450204218 is 8124020541.
1450204218 is a `hidden beast` number, since 1 + 450 + 204 + 2 + 1 + 8 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 695218689 + 754985529 = 26367^2 + 27477^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1450204191 and 1450204200.
It is not an unprimeable number, because it can be changed into a prime (1450204219) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86808 + ... + 102156.
Almost surely, 21450204218 is an apocalyptic number.
1450204218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1450204218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634314500).
1450204218 is an abundant number, since it is smaller than the sum of its proper divisors (1818424782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1450204218 is a wasteful number, since it uses less digits than its factorization.
1450204218 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15567 (or 15564 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 1450204218 is about 38081.5469486207. The cubic root of 1450204218 is about 1131.9043301094.
Adding to 1450204218 its reverse (8124020541), we get a palindrome (9574224759).
The spelling of 1450204218 in words is "one billion, four hundred fifty million, two hundred four thousand, two hundred eighteen".
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