Base | Representation |
---|---|
bin | 10010100100100001010101 |
3 | 100011022220000 |
4 | 102210201111 |
5 | 2221240211 |
6 | 252201513 |
7 | 56243643 |
oct | 22444125 |
9 | 10138800 |
10 | 4868181 |
11 | 282559a |
12 | 1769299 |
13 | 1015aa6 |
14 | 90a193 |
15 | 662656 |
hex | 4a4855 |
4868181 has 10 divisors (see below), whose sum is σ = 7272342. Its totient is φ = 3245400.
The previous prime is 4868177. The next prime is 4868189. The reversal of 4868181 is 1818684.
It can be written as a sum of positive squares in only one way, i.e., 4137156 + 731025 = 2034^2 + 855^2 .
It is not a de Polignac number, because 4868181 - 22 = 4868177 is a prime.
It is a super-2 number, since 2×48681812 = 47398372497522, which contains 22 as substring.
4868181 is a modest number, since divided by 8181 gives 486 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4868189) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 29970 + ... + 30131.
Almost surely, 24868181 is an apocalyptic number.
It is an amenable number.
4868181 is a deficient number, since it is larger than the sum of its proper divisors (2404161).
4868181 is an equidigital number, since it uses as much as digits as its factorization.
4868181 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60113 (or 60104 counting only the distinct ones).
The product of its digits is 12288, while the sum is 36.
The square root of 4868181 is about 2206.3954767901. The cubic root of 4868181 is about 169.4814765567.
The spelling of 4868181 in words is "four million, eight hundred sixty-eight thousand, one hundred eighty-one".
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