Base | Representation |
---|---|
bin | 101011001110000… |
… | …0111011110011111 |
3 | 10202001211100211002 |
4 | 1112130013132133 |
5 | 10432223224411 |
6 | 355523020515 |
7 | 50636410040 |
oct | 12634073637 |
9 | 3661740732 |
10 | 1450211231 |
11 | 684674187 |
12 | 34580a73b |
13 | 1a15ac071 |
14 | da8628c7 |
15 | 874b233b |
hex | 5670779f |
1450211231 has 16 divisors (see below), whose sum is σ = 1755883584. Its totient is φ = 1169247744.
The previous prime is 1450211221. The next prime is 1450211237. The reversal of 1450211231 is 1321120541.
It is a de Polignac number, because none of the positive numbers 2k-1450211231 is a prime.
It is a super-2 number, since 2×14502112312 = 4206225229037070722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1450211237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399581 + ... + 403193.
It is an arithmetic number, because the mean of its divisors is an integer number (109742724).
Almost surely, 21450211231 is an apocalyptic number.
1450211231 is a deficient number, since it is larger than the sum of its proper divisors (305672353).
1450211231 is a wasteful number, since it uses less digits than its factorization.
1450211231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7010.
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 1450211231 is about 38081.6390272268. The cubic root of 1450211231 is about 1131.9061546874.
Adding to 1450211231 its reverse (1321120541), we get a palindrome (2771331772).
The spelling of 1450211231 in words is "one billion, four hundred fifty million, two hundred eleven thousand, two hundred thirty-one".
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