Base | Representation |
---|---|
bin | 11111101001101… |
… | …001101001110000 |
3 | 1101000012012210211 |
4 | 133221221221300 |
5 | 2041414342313 |
6 | 124405233504 |
7 | 16105346356 |
oct | 3751515160 |
9 | 1330165724 |
10 | 531012208 |
11 | 252819371 |
12 | 129a02894 |
13 | 86022a0c |
14 | 507497d6 |
15 | 31941e3d |
hex | 1fa69a70 |
531012208 has 20 divisors (see below), whose sum is σ = 1029219840. Its totient is φ = 265407104.
The previous prime is 531012193. The next prime is 531012233. The reversal of 531012208 is 802210135.
It is a super-3 number, since 3×5310122083 (a number of 27 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58641 + ... + 67087.
It is an arithmetic number, because the mean of its divisors is an integer number (51460992).
Almost surely, 2531012208 is an apocalyptic number.
It is an amenable number.
531012208 is a deficient number, since it is larger than the sum of its proper divisors (498207632).
531012208 is a wasteful number, since it uses less digits than its factorization.
531012208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12384 (or 12378 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 531012208 is about 23043.7021331209. The cubic root of 531012208 is about 809.7820924783.
The spelling of 531012208 in words is "five hundred thirty-one million, twelve thousand, two hundred eight".
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