Base | Representation |
---|---|
bin | 11111100110001… |
… | …010101100101011 |
3 | 1100221110211002211 |
4 | 133212022230223 |
5 | 2041201131422 |
6 | 124333505551 |
7 | 16064524045 |
oct | 3746125453 |
9 | 1327424084 |
10 | 530098987 |
11 | 252255240 |
12 | 1296422b7 |
13 | 85a93152 |
14 | 5058ca95 |
15 | 31811577 |
hex | 1f98ab2b |
530098987 has 4 divisors (see below), whose sum is σ = 578289816. Its totient is φ = 481908160.
The previous prime is 530098979. The next prime is 530099023. The reversal of 530098987 is 789890035.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 530098987 - 23 = 530098979 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 530098987.
It is not an unprimeable number, because it can be changed into a prime (530098957) 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 3 ways as a sum of consecutive naturals, for example, 24095398 + ... + 24095419.
It is an arithmetic number, because the mean of its divisors is an integer number (144572454).
Almost surely, 2530098987 is an apocalyptic number.
530098987 is a deficient number, since it is larger than the sum of its proper divisors (48190829).
530098987 is a wasteful number, since it uses less digits than its factorization.
530098987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48190828.
The product of its (nonzero) digits is 544320, while the sum is 49.
The square root of 530098987 is about 23023.8786263305. The cubic root of 530098987 is about 809.3176120409.
The spelling of 530098987 in words is "five hundred thirty million, ninety-eight thousand, nine hundred eighty-seven".
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