Base | Representation |
---|---|
bin | 11101000010010… |
… | …111000000100000 |
3 | 1020221200011212012 |
4 | 131002113000200 |
5 | 1444203022132 |
6 | 120201252052 |
7 | 15033526052 |
oct | 3502270040 |
9 | 1227604765 |
10 | 487157792 |
11 | 22aa95950 |
12 | 117194028 |
13 | 79c09964 |
14 | 489b18d2 |
15 | 2cb7d0b2 |
hex | 1d097020 |
487157792 has 48 divisors (see below), whose sum is σ = 1048723200. Its totient is φ = 220919040.
The previous prime is 487157791. The next prime is 487157807. The reversal of 487157792 is 297751784.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 487157792.
It is not an unprimeable number, because it can be changed into a prime (487157791) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177809 + ... + 180527.
It is an arithmetic number, because the mean of its divisors is an integer number (21848400).
Almost surely, 2487157792 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 487157792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524361600).
487157792 is an abundant number, since it is smaller than the sum of its proper divisors (561565408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487157792 is a wasteful number, since it uses less digits than its factorization.
487157792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3249 (or 3241 counting only the distinct ones).
The product of its digits is 987840, while the sum is 50.
The square root of 487157792 is about 22071.6513201890. The cubic root of 487157792 is about 786.8462592297.
The spelling of 487157792 in words is "four hundred eighty-seven million, one hundred fifty-seven thousand, seven hundred ninety-two".
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