Base | Representation |
---|---|
bin | 11111101101001… |
… | …000110000001111 |
3 | 1101001220122100010 |
4 | 133231020300033 |
5 | 2042133113111 |
6 | 124441004303 |
7 | 16116203520 |
oct | 3755106017 |
9 | 1331818303 |
10 | 531926031 |
11 | 25329299a |
12 | 12a183693 |
13 | 86282940 |
14 | 50906847 |
15 | 31a72aa6 |
hex | 1fb48c0f |
531926031 has 16 divisors (see below), whose sum is σ = 872904704. Its totient is φ = 280576224.
The previous prime is 531926029. The next prime is 531926051. The reversal of 531926031 is 130629135.
It is not a de Polignac number, because 531926031 - 21 = 531926029 is a prime.
It is a super-2 number, since 2×5319260312 = 565890604910825922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 531926031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (531926051) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973951 + ... + 974496.
It is an arithmetic number, because the mean of its divisors is an integer number (54556544).
Almost surely, 2531926031 is an apocalyptic number.
531926031 is a deficient number, since it is larger than the sum of its proper divisors (340978673).
531926031 is a wasteful number, since it uses less digits than its factorization.
531926031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1948470.
The product of its (nonzero) digits is 4860, while the sum is 30.
The square root of 531926031 is about 23063.5216521675. The cubic root of 531926031 is about 810.2463463480.
The spelling of 531926031 in words is "five hundred thirty-one million, nine hundred twenty-six thousand, thirty-one".
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