Base | Representation |
---|---|
bin | 1011110100010… |
… | …00101011010001 |
3 | 20220112010021012 |
4 | 11322020223101 |
5 | 200334012334 |
6 | 13500340305 |
7 | 2312361665 |
oct | 572105321 |
9 | 226463235 |
10 | 99125969 |
11 | 50a54898 |
12 | 29244695 |
13 | 176c8a27 |
14 | d2448a5 |
15 | 8a809ce |
hex | 5e88ad1 |
99125969 has 4 divisors (see below), whose sum is σ = 99156720. Its totient is φ = 99095220.
The previous prime is 99125927. The next prime is 99125989. The reversal of 99125969 is 96952199.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-99125969 is a prime.
It is a super-2 number, since 2×991259692 = 19651915460377922, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (99125909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9887 + ... + 17204.
It is an arithmetic number, because the mean of its divisors is an integer number (24789180).
Almost surely, 299125969 is an apocalyptic number.
It is an amenable number.
99125969 is a deficient number, since it is larger than the sum of its proper divisors (30751).
99125969 is a wasteful number, since it uses less digits than its factorization.
99125969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30750.
The product of its digits is 393660, while the sum is 50.
The square root of 99125969 is about 9956.2025391210. The cubic root of 99125969 is about 462.8026267752.
The spelling of 99125969 in words is "ninety-nine million, one hundred twenty-five thousand, nine hundred sixty-nine".
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