Base | Representation |
---|---|
bin | 1011111010101… |
… | …10011011101110 |
3 | 20222002221100022 |
4 | 11331112123232 |
5 | 201043000000 |
6 | 13530402142 |
7 | 2322502040 |
oct | 575263356 |
9 | 228087308 |
10 | 99968750 |
11 | 51480002 |
12 | 29590352 |
13 | 1793250b |
14 | d3c3a90 |
15 | 8b9a585 |
hex | 5f566ee |
99968750 has 56 divisors (see below), whose sum is σ = 214684752. Its totient is φ = 34200000.
The previous prime is 99968749. The next prime is 99968753. The reversal of 99968750 is 5786999.
It is a junction number, because it is equal to n+sod(n) for n = 99968692 and 99968701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99968753) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 218522 + ... + 218978.
Almost surely, 299968750 is an apocalyptic number.
99968750 is an abundant number, since it is smaller than the sum of its proper divisors (114716002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99968750 is an frugal number, since it uses more digits than its factorization.
99968750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 496 (or 471 counting only the distinct ones).
The product of its (nonzero) digits is 1224720, while the sum is 53.
The square root of 99968750 is about 9998.4373779106. The cubic root of 99968750 is about 464.1105284403.
The spelling of 99968750 in words is "ninety-nine million, nine hundred sixty-eight thousand, seven hundred fifty".
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