Base | Representation |
---|---|
bin | 110110100010111… |
… | …1101110010000000 |
3 | 11201112222212121000 |
4 | 1231011331302000 |
5 | 12222022432240 |
6 | 501341132000 |
7 | 63233061141 |
oct | 15505756200 |
9 | 4645885530 |
10 | 1830280320 |
11 | 85a166770 |
12 | 430b5a000 |
13 | 23226280b |
14 | 135119ac8 |
15 | aaa3a430 |
hex | 6d17dc80 |
1830280320 has 256 divisors, whose sum is σ = 7072272000. Its totient is φ = 443658240.
The previous prime is 1830280313. The next prime is 1830280327. The reversal of 1830280320 is 230820381.
It is an interprime number because it is at equal distance from previous prime (1830280313) and next prime (1830280327).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (1830280327) 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, 185266 + ... + 194894.
Almost surely, 21830280320 is an apocalyptic number.
1830280320 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 1830280320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3536136000).
1830280320 is an abundant number, since it is smaller than the sum of its proper divisors (5241991680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1830280320 is a wasteful number, since it uses less digits than its factorization.
1830280320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9668 (or 9650 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 1830280320 is about 42781.7755592262. The cubic root of 1830280320 is about 1223.2236522490.
The spelling of 1830280320 in words is "one billion, eight hundred thirty million, two hundred eighty thousand, three hundred twenty".
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