Base | Representation |
---|---|
bin | 10111101110001… |
… | …111111111100111 |
3 | 1000201220111111120 |
4 | 113232033333213 |
5 | 1303342000403 |
6 | 103254305023 |
7 | 12601642104 |
oct | 2756177747 |
9 | 1021814446 |
10 | 398000103 |
11 | 19472a406 |
12 | b1358173 |
13 | 645c1227 |
14 | 3ac03aab |
15 | 24e1ae53 |
hex | 17b8ffe7 |
398000103 has 16 divisors (see below), whose sum is σ = 548315136. Its totient is φ = 256525920.
The previous prime is 398000101. The next prime is 398000117. The reversal of 398000103 is 301000893.
It is not a de Polignac number, because 398000103 - 21 = 398000101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (398000101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184650 + ... + 186792.
It is an arithmetic number, because the mean of its divisors is an integer number (34269696).
Almost surely, 2398000103 is an apocalyptic number.
398000103 is a deficient number, since it is larger than the sum of its proper divisors (150315033).
398000103 is a wasteful number, since it uses less digits than its factorization.
398000103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4174.
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 398000103 is about 19949.9399247216. The cubic root of 398000103 is about 735.5763002943.
Adding to 398000103 its reverse (301000893), we get a palindrome (699000996).
The spelling of 398000103 in words is "three hundred ninety-eight million, one hundred three", and thus it is an aban number.
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