Base | Representation |
---|---|
bin | 1011111010110… |
… | …11001110010101 |
3 | 20222010221021002 |
4 | 11331123032111 |
5 | 201044111443 |
6 | 13531033045 |
7 | 2322613202 |
oct | 575331625 |
9 | 228127232 |
10 | 99988373 |
11 | 51493821 |
12 | 2959b785 |
13 | 1793b424 |
14 | d3caca9 |
15 | 8ba12b8 |
hex | 5f5b395 |
99988373 has 12 divisors (see below), whose sum is σ = 108423468. Its totient is φ = 91889280.
The previous prime is 99988367. The next prime is 99988403. The reversal of 99988373 is 37388999.
It can be written as a sum of positive squares in 2 ways, for example, as 39413284 + 60575089 = 6278^2 + 7783^2 .
It is not a de Polignac number, because 99988373 - 28 = 99988117 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99988313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29843 + ... + 33023.
It is an arithmetic number, because the mean of its divisors is an integer number (9035289).
Almost surely, 299988373 is an apocalyptic number.
It is an amenable number.
99988373 is a deficient number, since it is larger than the sum of its proper divisors (8435095).
99988373 is a wasteful number, since it uses less digits than its factorization.
99988373 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3284 (or 3241 counting only the distinct ones).
The product of its digits is 2939328, while the sum is 56.
The square root of 99988373 is about 9999.4186331006. The cubic root of 99988373 is about 464.1408934129.
The spelling of 99988373 in words is "ninety-nine million, nine hundred eighty-eight thousand, three hundred seventy-three".
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