Base | Representation |
---|---|
bin | 1011101011110… |
… | …10101101110111 |
3 | 20211102221110100 |
4 | 11311322231313 |
5 | 200043121330 |
6 | 13420525143 |
7 | 2300105136 |
oct | 565725567 |
9 | 224387410 |
10 | 98020215 |
11 | 5036a047 |
12 | 289b07b3 |
13 | 173cc637 |
14 | d03791d |
15 | 8913060 |
hex | 5d7ab77 |
98020215 has 48 divisors (see below), whose sum is σ = 184811328. Its totient is φ = 47858688.
The previous prime is 98020201. The next prime is 98020253. The reversal of 98020215 is 51202089.
It is not a de Polignac number, because 98020215 - 24 = 98020199 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26574 + ... + 30036.
It is an arithmetic number, because the mean of its divisors is an integer number (3850236).
Almost surely, 298020215 is an apocalyptic number.
98020215 is a deficient number, since it is larger than the sum of its proper divisors (86791113).
98020215 is a wasteful number, since it uses less digits than its factorization.
98020215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3528 (or 3525 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 98020215 is about 9900.5158956491. The cubic root of 98020215 is about 461.0753276964.
It can be divided in two parts, 9 and 8020215, that added together give a square (8020224 = 28322).
The spelling of 98020215 in words is "ninety-eight million, twenty thousand, two hundred fifteen".
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