Base | Representation |
---|---|
bin | 11101000011100… |
… | …000000001101000 |
3 | 1020222020101010020 |
4 | 131003200001220 |
5 | 1444242104442 |
6 | 120211520440 |
7 | 15036213030 |
oct | 3503400150 |
9 | 1228211106 |
10 | 487456872 |
11 | 23017a621 |
12 | 1172b9120 |
13 | 79cb2b26 |
14 | 48a4c8c0 |
15 | 2cbdb9ec |
hex | 1d0e0068 |
487456872 has 64 divisors (see below), whose sum is σ = 1426723200. Its totient is φ = 135874560.
The previous prime is 487456867. The next prime is 487456877. The reversal of 487456872 is 278654784.
It is an interprime number because it is at equal distance from previous prime (487456867) and next prime (487456877).
It is a super-2 number, since 2×4874568722 = 475228404120048768, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (487456877) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28497 + ... + 42272.
It is an arithmetic number, because the mean of its divisors is an integer number (22292550).
Almost surely, 2487456872 is an apocalyptic number.
487456872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
487456872 is an abundant number, since it is smaller than the sum of its proper divisors (939266328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487456872 is a wasteful number, since it uses less digits than its factorization.
487456872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70826 (or 70822 counting only the distinct ones).
The product of its digits is 3010560, while the sum is 51.
The square root of 487456872 is about 22078.4254873394. The cubic root of 487456872 is about 787.0072487085.
The spelling of 487456872 in words is "four hundred eighty-seven million, four hundred fifty-six thousand, eight hundred seventy-two".
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