Base | Representation |
---|---|
bin | 1011110011100… |
… | …00001101111001 |
3 | 20220100000211200 |
4 | 11321300031321 |
5 | 200322311120 |
6 | 13454244413 |
7 | 2311463625 |
oct | 571601571 |
9 | 226300750 |
10 | 99025785 |
11 | 509965a1 |
12 | 291b6709 |
13 | 17692251 |
14 | d21a185 |
15 | 8a60e90 |
hex | 5e70379 |
99025785 has 24 divisors (see below), whose sum is σ = 172116360. Its totient is φ = 52668672.
The previous prime is 99025781. The next prime is 99025841. The reversal of 99025785 is 58752099.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 242064 + 98783721 = 492^2 + 9939^2 .
It is not a de Polignac number, because 99025785 - 22 = 99025781 is a prime.
It is a super-2 number, since 2×990257852 = 19612212189732450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 99025785.
It is not an unprimeable number, because it can be changed into a prime (99025781) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14677 + ... + 20333.
It is an arithmetic number, because the mean of its divisors is an integer number (7171515).
Almost surely, 299025785 is an apocalyptic number.
It is an amenable number.
99025785 is a deficient number, since it is larger than the sum of its proper divisors (73090575).
99025785 is a wasteful number, since it uses less digits than its factorization.
99025785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6057 (or 6054 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 45.
The square root of 99025785 is about 9951.1700317098. The cubic root of 99025785 is about 462.6466600872.
The spelling of 99025785 in words is "ninety-nine million, twenty-five thousand, seven hundred eighty-five".
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