Base | Representation |
---|---|
bin | 10010100011010… |
… | …010101011100001 |
3 | 210200122200222210 |
4 | 102203102223201 |
5 | 1114134211231 |
6 | 50514552333 |
7 | 10466336310 |
oct | 2243225341 |
9 | 720580883 |
10 | 311241441 |
11 | 14a762335 |
12 | 882986a9 |
13 | 4c635744 |
14 | 2d49c277 |
15 | 1c4cea46 |
hex | 128d2ae1 |
311241441 has 16 divisors (see below), whose sum is σ = 476928000. Its totient is φ = 176856528.
The previous prime is 311241421. The next prime is 311241443. The reversal of 311241441 is 144142113.
It is not a de Polignac number, because 311241441 - 26 = 311241377 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (311241443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37641 + ... + 45158.
It is an arithmetic number, because the mean of its divisors is an integer number (29808000).
Almost surely, 2311241441 is an apocalyptic number.
It is an amenable number.
311241441 is a deficient number, since it is larger than the sum of its proper divisors (165686559).
311241441 is a wasteful number, since it uses less digits than its factorization.
311241441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82988.
The product of its digits is 384, while the sum is 21.
The square root of 311241441 is about 17642.0361920046. The cubic root of 311241441 is about 677.6921771606.
Adding to 311241441 its reverse (144142113), we get a palindrome (455383554).
The spelling of 311241441 in words is "three hundred eleven million, two hundred forty-one thousand, four hundred forty-one".
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