Base | Representation |
---|---|
bin | 11001000011010… |
… | …111100010011001 |
3 | 1002021220010101002 |
4 | 121003113202121 |
5 | 1330100010431 |
6 | 105412434345 |
7 | 13262414015 |
oct | 3103274231 |
9 | 1067803332 |
10 | 420313241 |
11 | 1a628a617 |
12 | b89189b5 |
13 | 6910447a |
14 | 3db71545 |
15 | 26d773cb |
hex | 190d7899 |
420313241 has 8 divisors (see below), whose sum is σ = 429083400. Its totient is φ = 411603840.
The previous prime is 420313213. The next prime is 420313249. The reversal of 420313241 is 142313024.
It can be written as a sum of positive squares in 4 ways, for example, as 48594841 + 371718400 = 6971^2 + 19280^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 420313241 - 214 = 420296857 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (420313249) 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, 1076 + ... + 29013.
It is an arithmetic number, because the mean of its divisors is an integer number (53635425).
Almost surely, 2420313241 is an apocalyptic number.
It is an amenable number.
420313241 is a deficient number, since it is larger than the sum of its proper divisors (8770159).
420313241 is a wasteful number, since it uses less digits than its factorization.
420313241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30379.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 420313241 is about 20501.5424053899. The cubic root of 420313241 is about 749.0733687962.
Adding to 420313241 its reverse (142313024), we get a palindrome (562626265).
The spelling of 420313241 in words is "four hundred twenty million, three hundred thirteen thousand, two hundred forty-one".
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