Base | Representation |
---|---|
bin | 11111101001110… |
… | …100011001011111 |
3 | 1101000021110012000 |
4 | 133221310121133 |
5 | 2041422244343 |
6 | 124410213343 |
7 | 16105621605 |
oct | 3751643137 |
9 | 1330243160 |
10 | 531056223 |
11 | 252849445 |
12 | 129a24253 |
13 | 86039a69 |
14 | 5075b875 |
15 | 3194eed3 |
hex | 1fa7465f |
531056223 has 24 divisors (see below), whose sum is σ = 822465840. Its totient is φ = 338635440.
The previous prime is 531056191. The next prime is 531056263. The reversal of 531056223 is 322650135.
531056223 is a `hidden beast` number, since 5 + 31 + 0 + 5 + 622 + 3 = 666.
It is not a de Polignac number, because 531056223 - 25 = 531056191 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (531056263) 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 23 ways as a sum of consecutive naturals, for example, 4308 + ... + 32873.
It is an arithmetic number, because the mean of its divisors is an integer number (34269410).
Almost surely, 2531056223 is an apocalyptic number.
531056223 is a deficient number, since it is larger than the sum of its proper divisors (291409617).
531056223 is a wasteful number, since it uses less digits than its factorization.
531056223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37236 (or 37207 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
The square root of 531056223 is about 23044.6571465058. The cubic root of 531056223 is about 809.8044658334.
The spelling of 531056223 in words is "five hundred thirty-one million, fifty-six thousand, two hundred twenty-three".
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