Base | Representation |
---|---|
bin | 1011110010110… |
… | …10110100011111 |
3 | 20220011120121200 |
4 | 11321122310133 |
5 | 200312010033 |
6 | 13452330543 |
7 | 2310650253 |
oct | 571326437 |
9 | 226146550 |
10 | 98938143 |
11 | 50936767 |
12 | 29173a53 |
13 | 176613a5 |
14 | d1d6263 |
15 | 8a45013 |
hex | 5e5ad1f |
98938143 has 24 divisors (see below), whose sum is σ = 148701696. Its totient is φ = 63320400.
The previous prime is 98938139. The next prime is 98938171. The reversal of 98938143 is 34183989.
It is not a de Polignac number, because 98938143 - 22 = 98938139 is a prime.
It is a super-2 number, since 2×989381432 = 19577512280576898, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (98938123) 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 23 ways as a sum of consecutive naturals, for example, 35196 + ... + 37902.
It is an arithmetic number, because the mean of its divisors is an integer number (6195904).
Almost surely, 298938143 is an apocalyptic number.
98938143 is a gapful number since it is divisible by the number (93) formed by its first and last digit.
98938143 is a deficient number, since it is larger than the sum of its proper divisors (49763553).
98938143 is a wasteful number, since it uses less digits than its factorization.
98938143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2875 (or 2872 counting only the distinct ones).
The product of its digits is 186624, while the sum is 45.
The square root of 98938143 is about 9946.7654541564. The cubic root of 98938143 is about 462.5101325270.
The spelling of 98938143 in words is "ninety-eight million, nine hundred thirty-eight thousand, one hundred forty-three".
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