Base | Representation |
---|---|
bin | 100101111000… |
… | …011011110111 |
3 | 200200112001211 |
4 | 211320123313 |
5 | 10020233422 |
6 | 552502251 |
7 | 150256600 |
oct | 45703367 |
9 | 20615054 |
10 | 9930487 |
11 | 5672a16 |
12 | 33aa987 |
13 | 2099038 |
14 | 1466da7 |
15 | d12577 |
hex | 9786f7 |
9930487 has 12 divisors (see below), whose sum is σ = 11835936. Its totient is φ = 8302560.
The previous prime is 9930469. The next prime is 9930491. The reversal of 9930487 is 7840399.
It is a de Polignac number, because none of the positive numbers 2k-9930487 is a prime.
It is a super-2 number, since 2×99304872 = 197229144114338, which contains 22 as substring.
9930487 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9930497) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463 + ... + 4480.
It is an arithmetic number, because the mean of its divisors is an integer number (986328).
Almost surely, 29930487 is an apocalyptic number.
9930487 is a deficient number, since it is larger than the sum of its proper divisors (1905449).
9930487 is a wasteful number, since it uses less digits than its factorization.
9930487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4998 (or 4991 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 40.
The square root of 9930487 is about 3151.2675227597. The cubic root of 9930487 is about 214.9431037476.
The spelling of 9930487 in words is "nine million, nine hundred thirty thousand, four hundred eighty-seven".
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