Base | Representation |
---|---|
bin | 11101000101010… |
… | …010010111011000 |
3 | 1021000010011120000 |
4 | 131011102113120 |
5 | 1444402101313 |
6 | 120225533000 |
7 | 15043203321 |
oct | 3505222730 |
9 | 1230104500 |
10 | 487925208 |
11 | 23046a481 |
12 | 1174a4160 |
13 | 7a118054 |
14 | 48b31448 |
15 | 2cc80673 |
hex | 1d1525d8 |
487925208 has 80 divisors (see below), whose sum is σ = 1392526080. Its totient is φ = 159561792.
The previous prime is 487925173. The next prime is 487925209. The reversal of 487925208 is 802529784.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487925209) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27241 + ... + 41447.
It is an arithmetic number, because the mean of its divisors is an integer number (17406576).
Almost surely, 2487925208 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 487925208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696263040).
487925208 is an abundant number, since it is smaller than the sum of its proper divisors (904600872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487925208 is a wasteful number, since it uses less digits than its factorization.
487925208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14278 (or 14265 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 487925208 is about 22089.0291321280. The cubic root of 487925208 is about 787.2592134593.
The spelling of 487925208 in words is "four hundred eighty-seven million, nine hundred twenty-five thousand, two hundred eight".
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