Base | Representation |
---|---|
bin | 11101000011111… |
… | …110100110111100 |
3 | 1020222110201221210 |
4 | 131003332212330 |
5 | 1444310112030 |
6 | 120214324420 |
7 | 15040244163 |
oct | 3503764674 |
9 | 1228421853 |
10 | 487582140 |
11 | 230255751 |
12 | 117359710 |
13 | 7a027b56 |
14 | 48a823da |
15 | 2cc13bb0 |
hex | 1d0fe9bc |
487582140 has 48 divisors (see below), whose sum is σ = 1379320992. Its totient is φ = 128679936.
The previous prime is 487582103. The next prime is 487582157. The reversal of 487582140 is 41285784.
It is a happy number.
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, 36069 + ... + 47708.
It is an arithmetic number, because the mean of its divisors is an integer number (28735854).
Almost surely, 2487582140 is an apocalyptic number.
It is an amenable number.
487582140 is an abundant number, since it is smaller than the sum of its proper divisors (891738852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487582140 is a wasteful number, since it uses less digits than its factorization.
487582140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83886 (or 83884 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 39.
The square root of 487582140 is about 22081.2621921846. The cubic root of 487582140 is about 787.0746586927.
The spelling of 487582140 in words is "four hundred eighty-seven million, five hundred eighty-two thousand, one hundred forty".
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