Base | Representation |
---|---|
bin | 1011111010111… |
… | …01101000001011 |
3 | 20222011102202202 |
4 | 11331131220023 |
5 | 201044420334 |
6 | 13531150415 |
7 | 2322653666 |
oct | 575355013 |
9 | 228142682 |
10 | 99998219 |
11 | 514a0162 |
12 | 295a540b |
13 | 17942a59 |
14 | d3d06dd |
15 | 8ba417e |
hex | 5f5da0b |
99998219 has 4 divisors (see below), whose sum is σ = 103224000. Its totient is φ = 96772440.
The previous prime is 99998207. The next prime is 99998231. The reversal of 99998219 is 91289999.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (99998207) and next prime (99998231).
It is a cyclic number.
It is not a de Polignac number, because 99998219 - 212 = 99994123 is a prime.
It is a super-2 number, since 2×999982192 = 19999287606343922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (99998299) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612844 + ... + 1612905.
It is an arithmetic number, because the mean of its divisors is an integer number (25806000).
Almost surely, 299998219 is an apocalyptic number.
99998219 is a deficient number, since it is larger than the sum of its proper divisors (3225781).
99998219 is a wasteful number, since it uses less digits than its factorization.
99998219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3225780.
The product of its digits is 944784, while the sum is 56.
The square root of 99998219 is about 9999.9109496035. The cubic root of 99998219 is about 464.1561277883.
It can be divided in two parts, 999982 and 19, that added together give a palindrome (1000001).
The spelling of 99998219 in words is "ninety-nine million, nine hundred ninety-eight thousand, two hundred nineteen".
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