Base | Representation |
---|---|
bin | 1011111010110… |
… | …01001100010000 |
3 | 20222010111211202 |
4 | 11331121030100 |
5 | 201043330143 |
6 | 13530530332 |
7 | 2322550010 |
oct | 575311420 |
9 | 228114752 |
10 | 99980048 |
11 | 51488543 |
12 | 295969a8 |
13 | 179376bc |
14 | d3c7c40 |
15 | 8b9dab8 |
hex | 5f59310 |
99980048 has 40 divisors (see below), whose sum is σ = 225574848. Its totient is φ = 42037632.
The previous prime is 99980047. The next prime is 99980063. The reversal of 99980048 is 84008999.
It is a junction number, because it is equal to n+sod(n) for n = 99979984 and 99980011.
It is not an unprimeable number, because it can be changed into a prime (99980047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486 + ... + 14357.
Almost surely, 299980048 is an apocalyptic number.
It is an amenable number.
99980048 is an abundant number, since it is smaller than the sum of its proper divisors (125594800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99980048 is a wasteful number, since it uses less digits than its factorization.
99980048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16911 (or 16905 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 47.
The square root of 99980048 is about 9999.0023502347. The cubic root of 99980048 is about 464.1280116479.
Subtracting from 99980048 its sum of digits (47), we obtain a square (99980001 = 99992).
The spelling of 99980048 in words is "ninety-nine million, nine hundred eighty thousand, forty-eight".
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