Base | Representation |
---|---|
bin | 1011111001011… |
… | …11001111111110 |
3 | 20221210210012000 |
4 | 11330233033332 |
5 | 201022331004 |
6 | 13523123130 |
7 | 2321233110 |
oct | 574571776 |
9 | 227723160 |
10 | 99808254 |
11 | 51380467 |
12 | 295134a6 |
13 | 178a7450 |
14 | d3813b0 |
15 | 8b67c39 |
hex | 5f2f3fe |
99808254 has 128 divisors (see below), whose sum is σ = 287616000. Its totient is φ = 24914304.
The previous prime is 99808253. The next prime is 99808327. The reversal of 99808254 is 45280899.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99808253) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92832 + ... + 93900.
It is an arithmetic number, because the mean of its divisors is an integer number (2247000).
Almost surely, 299808254 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 99808254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143808000).
99808254 is an abundant number, since it is smaller than the sum of its proper divisors (187807746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99808254 is a wasteful number, since it uses less digits than its factorization.
99808254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1119 (or 1113 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 45.
The square root of 99808254 is about 9990.4080997725. The cubic root of 99808254 is about 463.8620248447.
The spelling of 99808254 in words is "ninety-nine million, eight hundred eight thousand, two hundred fifty-four".
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