Base | Representation |
---|---|
bin | 1011111010001… |
… | …11101010001011 |
3 | 20221222212100000 |
4 | 11331013222023 |
5 | 201034030420 |
6 | 13525214043 |
7 | 2322130440 |
oct | 575075213 |
9 | 227885300 |
10 | 99908235 |
11 | 51439599 |
12 | 29561323 |
13 | 17910acb |
14 | d3a99c7 |
15 | 8b87690 |
hex | 5f47a8b |
99908235 has 96 divisors (see below), whose sum is σ = 217631232. Its totient is φ = 42923520.
The previous prime is 99908197. The next prime is 99908239. The reversal of 99908235 is 53280999.
It is not a de Polignac number, because 99908235 - 29 = 99907723 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99908239) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 144240 + ... + 144930.
It is an arithmetic number, because the mean of its divisors is an integer number (2266992).
Almost surely, 299908235 is an apocalyptic number.
99908235 is an abundant number, since it is smaller than the sum of its proper divisors (117722997).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99908235 is a wasteful number, since it uses less digits than its factorization.
99908235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 735 (or 723 counting only the distinct ones).
The product of its (nonzero) digits is 174960, while the sum is 45.
The square root of 99908235 is about 9995.4106969149. The cubic root of 99908235 is about 464.0168614438.
It can be divided in two parts, 9990 and 8235, that added together give a square (18225 = 1352).
The spelling of 99908235 in words is "ninety-nine million, nine hundred eight thousand, two hundred thirty-five".
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