Base | Representation |
---|---|
bin | 11010101000101… |
… | …00101010001110 |
3 | 120120102111010201 |
4 | 31110110222032 |
5 | 424144300220 |
6 | 34100524114 |
7 | 5352064144 |
oct | 1524245216 |
9 | 516374121 |
10 | 223431310 |
11 | 105137283 |
12 | 629b063a |
13 | 3739c49b |
14 | 21961594 |
15 | 14936d0a |
hex | d514a8e |
223431310 has 16 divisors (see below), whose sum is σ = 402408000. Its totient is φ = 89321056.
The previous prime is 223431281. The next prime is 223431343. The reversal of 223431310 is 13134322.
It is a super-2 number, since 2×2234313102 = 99843100576632200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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, 15291 + ... + 26089.
It is an arithmetic number, because the mean of its divisors is an integer number (25150500).
Almost surely, 2223431310 is an apocalyptic number.
223431310 is a deficient number, since it is larger than the sum of its proper divisors (178976690).
223431310 is a wasteful number, since it uses less digits than its factorization.
223431310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12875.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 223431310 is about 14947.6188739210. The cubic root of 223431310 is about 606.8034071004.
Adding to 223431310 its reverse (13134322), we get a palindrome (236565632).
It can be divided in two parts, 22343 and 1310, that added together give a triangular number (23653 = T217).
The spelling of 223431310 in words is "two hundred twenty-three million, four hundred thirty-one thousand, three hundred ten".
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