Base | Representation |
---|---|
bin | 10111111010000… |
… | …101011110101001 |
3 | 1000221202010112211 |
4 | 113322011132221 |
5 | 1310140242021 |
6 | 103445005121 |
7 | 12640213543 |
oct | 2772053651 |
9 | 1027663484 |
10 | 401102761 |
11 | 196459494 |
12 | b23b37a1 |
13 | 65139517 |
14 | 3b3b0693 |
15 | 253303e1 |
hex | 17e857a9 |
401102761 has 2 divisors, whose sum is σ = 401102762. Its totient is φ = 401102760.
The previous prime is 401102701. The next prime is 401102809. The reversal of 401102761 is 167201104.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 264680361 + 136422400 = 16269^2 + 11680^2 .
It is a cyclic number.
It is not a de Polignac number, because 401102761 - 29 = 401102249 is a prime.
It is not a weakly prime, because it can be changed into another prime (401102701) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200551380 + 200551381.
It is an arithmetic number, because the mean of its divisors is an integer number (200551381).
Almost surely, 2401102761 is an apocalyptic number.
It is an amenable number.
401102761 is a deficient number, since it is larger than the sum of its proper divisors (1).
401102761 is an equidigital number, since it uses as much as digits as its factorization.
401102761 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 336, while the sum is 22.
The square root of 401102761 is about 20027.5500498688. The cubic root of 401102761 is about 737.4827794887.
Adding to 401102761 its reverse (167201104), we get a palindrome (568303865).
The spelling of 401102761 in words is "four hundred one million, one hundred two thousand, seven hundred sixty-one".
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