Base | Representation |
---|---|
bin | 11100110100000… |
… | …11101001000001 |
3 | 121211211020002111 |
4 | 32122003221001 |
5 | 443334233211 |
6 | 35552415321 |
7 | 5663341531 |
oct | 1632035101 |
9 | 554736074 |
10 | 241711681 |
11 | 114492622 |
12 | 68b47541 |
13 | 3b0ccc83 |
14 | 2415d4c1 |
15 | 16348421 |
hex | e683a41 |
241711681 has 12 divisors (see below), whose sum is σ = 252432516. Its totient is φ = 231413760.
The previous prime is 241711667. The next prime is 241711693. The reversal of 241711681 is 186117142.
It can be written as a sum of positive squares in 2 ways, for example, as 127328656 + 114383025 = 11284^2 + 10695^2 .
It is not a de Polignac number, because 241711681 - 213 = 241703489 is a prime.
It is a super-2 number, since 2×2417116812 = 116849073463691522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (241711081) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91921 + ... + 94513.
It is an arithmetic number, because the mean of its divisors is an integer number (21036043).
Almost surely, 2241711681 is an apocalyptic number.
It is an amenable number.
241711681 is a deficient number, since it is larger than the sum of its proper divisors (10720835).
241711681 is an equidigital number, since it uses as much as digits as its factorization.
241711681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2752 (or 2721 counting only the distinct ones).
The product of its digits is 2688, while the sum is 31.
The square root of 241711681 is about 15547.0795006651. The cubic root of 241711681 is about 622.9203891447.
It can be divided in two parts, 24171 and 1681, that added together give a palindrome (25852).
The spelling of 241711681 in words is "two hundred forty-one million, seven hundred eleven thousand, six hundred eighty-one".
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