Base | Representation |
---|---|
bin | 11010101011110… |
… | …10100001010011 |
3 | 120121012200110100 |
4 | 31111322201103 |
5 | 424301123111 |
6 | 34113503443 |
7 | 5355452424 |
oct | 1525724123 |
9 | 517180410 |
10 | 223848531 |
11 | 1053a1795 |
12 | 62b71b83 |
13 | 374b736a |
14 | 21a2d64b |
15 | 149ba756 |
hex | d57a853 |
223848531 has 6 divisors (see below), whose sum is σ = 323336780. Its totient is φ = 149232348.
The previous prime is 223848491. The next prime is 223848553. The reversal of 223848531 is 135848322.
It is not a de Polignac number, because 223848531 - 27 = 223848403 is a prime.
It is a super-2 number, since 2×2238485312 = 100216329661715922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (223848731) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12436021 + ... + 12436038.
Almost surely, 2223848531 is an apocalyptic number.
223848531 is a deficient number, since it is larger than the sum of its proper divisors (99488249).
223848531 is a wasteful number, since it uses less digits than its factorization.
223848531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24872065 (or 24872062 counting only the distinct ones).
The product of its digits is 46080, while the sum is 36.
The square root of 223848531 is about 14961.5684672430. The cubic root of 223848531 is about 607.1808738970.
The spelling of 223848531 in words is "two hundred twenty-three million, eight hundred forty-eight thousand, five hundred thirty-one".
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