Base | Representation |
---|---|
bin | 11010100110010… |
… | …11010110000010 |
3 | 120112212020012111 |
4 | 31103023112002 |
5 | 424110143020 |
6 | 34050245534 |
7 | 5346403504 |
oct | 1523132602 |
9 | 515766174 |
10 | 223131010 |
11 | 104a516a3 |
12 | 628868aa |
13 | 372c58ab |
14 | 218c3d74 |
15 | 148c7d5a |
hex | d4cb582 |
223131010 has 16 divisors (see below), whose sum is σ = 406150200. Its totient is φ = 88249216.
The previous prime is 223130989. The next prime is 223131011. The reversal of 223131010 is 10131322.
It can be written as a sum of positive squares in 4 ways, for example, as 181953121 + 41177889 = 13489^2 + 6417^2 .
It is a super-3 number, since 3×2231310103 (a number of 26 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (223131011) 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 7 ways as a sum of consecutive naturals, for example, 124465 + ... + 126244.
Almost surely, 2223131010 is an apocalyptic number.
223131010 is a deficient number, since it is larger than the sum of its proper divisors (183019190).
223131010 is a wasteful number, since it uses less digits than its factorization.
223131010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250805.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 223131010 is about 14937.5704182441. The cubic root of 223131010 is about 606.5314297570.
Adding to 223131010 its reverse (10131322), we get a palindrome (233262332).
The spelling of 223131010 in words is "two hundred twenty-three million, one hundred thirty-one thousand, ten".
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