Base | Representation |
---|---|
bin | 111011001010000… |
… | …111111111100101 |
3 | 2120011120201122212 |
4 | 323022013333211 |
5 | 4013040304200 |
6 | 242252533205 |
7 | 33411123641 |
oct | 7312077745 |
9 | 2504521585 |
10 | 992509925 |
11 | 46a278440 |
12 | 238481205 |
13 | 12a816ba4 |
14 | 95b5bc21 |
15 | 5c202035 |
hex | 3b287fe5 |
992509925 has 24 divisors (see below), whose sum is σ = 1346125152. Its totient is φ = 719928000.
The previous prime is 992509909. The next prime is 992509939. The reversal of 992509925 is 529905299.
It is not a de Polignac number, because 992509925 - 24 = 992509909 is a prime.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 104630 + ... + 113720.
It is an arithmetic number, because the mean of its divisors is an integer number (56088548).
Almost surely, 2992509925 is an apocalyptic number.
It is an amenable number.
992509925 is a deficient number, since it is larger than the sum of its proper divisors (353615227).
992509925 is a wasteful number, since it uses less digits than its factorization.
992509925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9509 (or 9504 counting only the distinct ones).
The product of its (nonzero) digits is 656100, while the sum is 50.
The square root of 992509925 is about 31504.1255234930. The cubic root of 992509925 is about 997.4970487954.
The spelling of 992509925 in words is "nine hundred ninety-two million, five hundred nine thousand, nine hundred twenty-five".
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