Base | Representation |
---|---|
bin | 11100101110010… |
… | …001001001100000 |
3 | 1020120202121001120 |
4 | 130232101021200 |
5 | 1441331002122 |
6 | 115452332240 |
7 | 14641001526 |
oct | 3456211140 |
9 | 1216677046 |
10 | 481890912 |
11 | 228018858 |
12 | 115474080 |
13 | 78ab4569 |
14 | 48000316 |
15 | 2c48c75c |
hex | 1cb91260 |
481890912 has 96 divisors (see below), whose sum is σ = 1317254400. Its totient is φ = 154065408.
The previous prime is 481890889. The next prime is 481890931. The reversal of 481890912 is 219098184.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497853 + ... + 498819.
It is an arithmetic number, because the mean of its divisors is an integer number (13721400).
Almost surely, 2481890912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 481890912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658627200).
481890912 is an abundant number, since it is smaller than the sum of its proper divisors (835363488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
481890912 is a wasteful number, since it uses less digits than its factorization.
481890912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1188 (or 1180 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 42.
The square root of 481890912 is about 21952.0138483921. The cubic root of 481890912 is about 784.0003297236. Note that the first 3 decimals are identical.
The spelling of 481890912 in words is "four hundred eighty-one million, eight hundred ninety thousand, nine hundred twelve".
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