Base | Representation |
---|---|
bin | 1011111001001… |
… | …11111100000000 |
3 | 20221202021002202 |
4 | 11330213330000 |
5 | 201020401204 |
6 | 13522332332 |
7 | 2321046563 |
oct | 574477400 |
9 | 227667082 |
10 | 99778304 |
11 | 5135aa0a |
12 | 294ba0a8 |
13 | 17896922 |
14 | d3744da |
15 | 8b5de1e |
hex | 5f27f00 |
99778304 has 72 divisors (see below), whose sum is σ = 213908688. Its totient is φ = 46284800.
The previous prime is 99778271. The next prime is 99778309. The reversal of 99778304 is 40387799.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99778309) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439439 + ... + 439665.
It is an arithmetic number, because the mean of its divisors is an integer number (2970954).
Almost surely, 299778304 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 99778304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106954344).
99778304 is an abundant number, since it is smaller than the sum of its proper divisors (114130384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99778304 is a wasteful number, since it uses less digits than its factorization.
99778304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 361 (or 347 counting only the distinct ones).
The product of its (nonzero) digits is 381024, while the sum is 47.
The square root of 99778304 is about 9988.9090495409. The cubic root of 99778304 is about 463.8156223448.
It can be divided in two parts, 9977 and 8304, that added together give a palindrome (18281).
The spelling of 99778304 in words is "ninety-nine million, seven hundred seventy-eight thousand, three hundred four".
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