Base | Representation |
---|---|
bin | 11111101101011… |
… | …000000101000001 |
3 | 1101002000211102221 |
4 | 133231120011001 |
5 | 2042142120201 |
6 | 124442211041 |
7 | 16116554521 |
oct | 3755300501 |
9 | 1332024387 |
10 | 531988801 |
11 | 253326073 |
12 | 12a1b3a81 |
13 | 862a5396 |
14 | 50921681 |
15 | 31a864a1 |
hex | 1fb58141 |
531988801 has 8 divisors (see below), whose sum is σ = 535473504. Its totient is φ = 528514560.
The previous prime is 531988763. The next prime is 531988859. The reversal of 531988801 is 108889135.
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 531988801 - 225 = 498434369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (531988001) 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, 116481 + ... + 120961.
It is an arithmetic number, because the mean of its divisors is an integer number (66934188).
Almost surely, 2531988801 is an apocalyptic number.
It is an amenable number.
531988801 is a deficient number, since it is larger than the sum of its proper divisors (3484703).
531988801 is a wasteful number, since it uses less digits than its factorization.
531988801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5231.
The product of its (nonzero) digits is 69120, while the sum is 43.
The square root of 531988801 is about 23064.8824189502. The cubic root of 531988801 is about 810.2782161694.
The spelling of 531988801 in words is "five hundred thirty-one million, nine hundred eighty-eight thousand, eight hundred one".
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