Base | Representation |
---|---|
bin | 11101000010110… |
… | …111010111010000 |
3 | 1020221220220122122 |
4 | 131002313113100 |
5 | 1444221242240 |
6 | 120204153412 |
7 | 15034620326 |
oct | 3502672720 |
9 | 1227826578 |
10 | 487290320 |
11 | 230076480 |
12 | 117238868 |
13 | 79c5508a |
14 | 48a07d16 |
15 | 2cba74b5 |
hex | 1d0b75d0 |
487290320 has 80 divisors (see below), whose sum is σ = 1244170368. Its totient is φ = 176017920.
The previous prime is 487290299. The next prime is 487290343. The reversal of 487290320 is 23092784.
It is a tau number, because it is divible by the number of its divisors (80).
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, 136397 + ... + 139923.
Almost surely, 2487290320 is an apocalyptic number.
487290320 is a gapful number since it is divisible by the number (40) 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 487290320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622085184).
487290320 is an abundant number, since it is smaller than the sum of its proper divisors (756880048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487290320 is a wasteful number, since it uses less digits than its factorization.
487290320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3708 (or 3702 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 487290320 is about 22074.6533381614. The cubic root of 487290320 is about 786.9176048375.
The spelling of 487290320 in words is "four hundred eighty-seven million, two hundred ninety thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •