Base | Representation |
---|---|
bin | 11110010010010… |
… | …111101101111101 |
3 | 1022102010210100220 |
4 | 132102113231331 |
5 | 2020040212341 |
6 | 122231011553 |
7 | 15410024022 |
oct | 3622275575 |
9 | 1272123326 |
10 | 508132221 |
11 | 240911293 |
12 | 122209bb9 |
13 | 8137176c |
14 | 4b6b1549 |
15 | 2e922a66 |
hex | 1e497b7d |
508132221 has 8 divisors (see below), whose sum is σ = 687621984. Its totient is φ = 333698640.
The previous prime is 508132139. The next prime is 508132231. The reversal of 508132221 is 122231805.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 508132221 - 215 = 508099453 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 508132191 and 508132200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (508132231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263810 + ... + 1264211.
It is an arithmetic number, because the mean of its divisors is an integer number (85952748).
Almost surely, 2508132221 is an apocalyptic number.
It is an amenable number.
508132221 is a deficient number, since it is larger than the sum of its proper divisors (179489763).
508132221 is a wasteful number, since it uses less digits than its factorization.
508132221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2528091.
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 508132221 is about 22541.7883274597. The cubic root of 508132221 is about 797.9804377715.
The spelling of 508132221 in words is "five hundred eight million, one hundred thirty-two thousand, two hundred twenty-one".
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