Base | Representation |
---|---|
bin | 100110111010… |
… | …0000011011101 |
3 | 1102101100012122 |
4 | 1031310003131 |
5 | 20210221201 |
6 | 2005112325 |
7 | 335245160 |
oct | 115640335 |
9 | 42340178 |
10 | 20398301 |
11 | 10572600 |
12 | 69b86a5 |
13 | 42c2801 |
14 | 29cdad7 |
15 | 1bcde1b |
hex | 13740dd |
20398301 has 12 divisors (see below), whose sum is σ = 25625376. Its totient is φ = 15894120.
The previous prime is 20398291. The next prime is 20398307. The reversal of 20398301 is 10389302.
It is not a de Polignac number, because 20398301 - 26 = 20398237 is a prime.
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20398307) 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 11 ways as a sum of consecutive naturals, for example, 11195 + ... + 12888.
It is an arithmetic number, because the mean of its divisors is an integer number (2135448).
Almost surely, 220398301 is an apocalyptic number.
It is an amenable number.
20398301 is a deficient number, since it is larger than the sum of its proper divisors (5227075).
20398301 is a wasteful number, since it uses less digits than its factorization.
20398301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24112 (or 24101 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 20398301 is about 4516.4478298769. The cubic root of 20398301 is about 273.2318558791.
The spelling of 20398301 in words is "twenty million, three hundred ninety-eight thousand, three hundred one".
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