1830180 has 96 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 426880.
The previous prime is 1830163. The next prime is 1830181. The reversal of 1830180 is 810381.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1830181) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30991 + ... + 31049.
It is an arithmetic number, because the mean of its divisors is an integer number (60480).
21830180 is an apocalyptic number.
1830180 is a gapful number since it is divisible by the number (10) 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 1830180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903040).
1830180 is an abundant number, since it is smaller than the sum of its proper divisors (3975900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1830180 is a wasteful number, since it uses less digits than its factorization.
1830180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129 (or 127 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 21.
The square root of 1830180 is about 1352.8414541254. The cubic root of 1830180 is about 122.3201303024.
It can be divided in two parts, 18301 and 80, that added together give a palindrome (18381).
The spelling of 1830180 in words is "one million, eight hundred thirty thousand, one hundred eighty".
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