Base | Representation |
---|---|
bin | 11101000101010… |
… | …111000010000000 |
3 | 1021000011010202212 |
4 | 131011113002000 |
5 | 1444403204240 |
6 | 120230201252 |
7 | 15043313123 |
oct | 3505270200 |
9 | 1230133685 |
10 | 487944320 |
11 | 230482876 |
12 | 1174b3228 |
13 | 7a123966 |
14 | 48b383ba |
15 | 2cc86165 |
hex | 1d157080 |
487944320 has 64 divisors (see below), whose sum is σ = 1227916800. Its totient is φ = 184900608.
The previous prime is 487944313. The next prime is 487944323. The reversal of 487944320 is 23449784.
It is a tau number, because it is divible by the number of its divisors (64).
It is not an unprimeable number, because it can be changed into a prime (487944323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7904 + ... + 32223.
It is an arithmetic number, because the mean of its divisors is an integer number (19186200).
Almost surely, 2487944320 is an apocalyptic number.
487944320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
487944320 is an abundant number, since it is smaller than the sum of its proper divisors (739972480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487944320 is a wasteful number, since it uses less digits than its factorization.
487944320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40165 (or 40153 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 41.
The square root of 487944320 is about 22089.4617408392. The cubic root of 487944320 is about 787.2694922899.
The spelling of 487944320 in words is "four hundred eighty-seven million, nine hundred forty-four thousand, three hundred twenty".
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