Base | Representation |
---|---|
bin | 100011001111… |
… | …1111101000000 |
3 | 1021202221010000 |
4 | 1012133331000 |
5 | 14212342320 |
6 | 1500040000 |
7 | 313041231 |
oct | 106377500 |
9 | 37687100 |
10 | 18480960 |
11 | a483023 |
12 | 6233000 |
13 | 3aa0ba4 |
14 | 2651088 |
15 | 1950c90 |
hex | 119ff40 |
18480960 has 280 divisors, whose sum is σ = 70811136. Its totient is φ = 4561920.
The previous prime is 18480911. The next prime is 18480971. The reversal of 18480960 is 6908481.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 596145 + ... + 596175.
Almost surely, 218480960 is an apocalyptic number.
18480960 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 18480960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35405568).
18480960 is an abundant number, since it is smaller than the sum of its proper divisors (52330176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18480960 is a wasteful number, since it uses less digits than its factorization.
18480960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83 (or 64 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 18480960 is about 4298.9487086961. The cubic root of 18480960 is about 264.3878596431.
The spelling of 18480960 in words is "eighteen million, four hundred eighty thousand, nine hundred sixty".
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