Base | Representation |
---|---|
bin | 11111101001110… |
… | …100011000000011 |
3 | 1101000021110001121 |
4 | 133221310120003 |
5 | 2041422244011 |
6 | 124410213111 |
7 | 16105621414 |
oct | 3751643003 |
9 | 1330243047 |
10 | 531056131 |
11 | 252849371 |
12 | 129a24197 |
13 | 860399c8 |
14 | 5075b80b |
15 | 3194ee71 |
hex | 1fa74603 |
531056131 has 8 divisors (see below), whose sum is σ = 564602400. Its totient is φ = 498381312.
The previous prime is 531056129. The next prime is 531056143. The reversal of 531056131 is 131650135.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 531056131 - 21 = 531056129 is a prime.
It is a super-2 number, since 2×5310561312 = 564041228545378322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 531056096 and 531056105.
It is not an unprimeable number, because it can be changed into a prime (531056101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216606 + ... + 219043.
It is an arithmetic number, because the mean of its divisors is an integer number (70575300).
Almost surely, 2531056131 is an apocalyptic number.
531056131 is a deficient number, since it is larger than the sum of its proper divisors (33546269).
531056131 is a wasteful number, since it uses less digits than its factorization.
531056131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435725.
The product of its (nonzero) digits is 1350, while the sum is 25.
The square root of 531056131 is about 23044.6551503814. The cubic root of 531056131 is about 809.8044190699.
The spelling of 531056131 in words is "five hundred thirty-one million, fifty-six thousand, one hundred thirty-one".
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