Base | Representation |
---|---|
bin | 11111101101010… |
… | …100011110100001 |
3 | 1101002000002012120 |
4 | 133231110132201 |
5 | 2042141132144 |
6 | 124442014453 |
7 | 16116463515 |
oct | 3755243641 |
9 | 1332002176 |
10 | 531974049 |
11 | 253315a82 |
12 | 12a1a7429 |
13 | 8629b759 |
14 | 5091a145 |
15 | 31a81e19 |
hex | 1fb547a1 |
531974049 has 16 divisors (see below), whose sum is σ = 730132608. Its totient is φ = 344276352.
The previous prime is 531974021. The next prime is 531974063. The reversal of 531974049 is 940479135.
It is not a de Polignac number, because 531974049 - 27 = 531973921 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 531974049.
It is not an unprimeable number, because it can be changed into a prime (531974089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45484 + ... + 55970.
It is an arithmetic number, because the mean of its divisors is an integer number (45633288).
Almost surely, 2531974049 is an apocalyptic number.
It is an amenable number.
531974049 is a deficient number, since it is larger than the sum of its proper divisors (198158559).
531974049 is a wasteful number, since it uses less digits than its factorization.
531974049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10984.
The product of its (nonzero) digits is 136080, while the sum is 42.
The square root of 531974049 is about 23064.5626232105. The cubic root of 531974049 is about 810.2707264536.
The spelling of 531974049 in words is "five hundred thirty-one million, nine hundred seventy-four thousand, forty-nine".
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