Base | Representation |
---|---|
bin | 11101000010101… |
… | …110000010101100 |
3 | 1020221211222021120 |
4 | 131002232002230 |
5 | 1444214032030 |
6 | 120203300540 |
7 | 15034401114 |
oct | 3502560254 |
9 | 1227758246 |
10 | 487252140 |
11 | 23004a821 |
12 | 11721a750 |
13 | 79c4089b |
14 | 489d8044 |
15 | 2cb9b010 |
hex | 1d0ae0ac |
487252140 has 96 divisors (see below), whose sum is σ = 1408076544. Its totient is φ = 125832960.
The previous prime is 487252133. The next prime is 487252153. The reversal of 487252140 is 41252784.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244227 + ... + 246213.
It is an arithmetic number, because the mean of its divisors is an integer number (14667464).
Almost surely, 2487252140 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 487252140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704038272).
487252140 is an abundant number, since it is smaller than the sum of its proper divisors (920824404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487252140 is a wasteful number, since it uses less digits than its factorization.
487252140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2127 (or 2125 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 33.
The square root of 487252140 is about 22073.7885284787. The cubic root of 487252140 is about 786.8970522035.
The spelling of 487252140 in words is "four hundred eighty-seven million, two hundred fifty-two thousand, one hundred forty".
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