Base | Representation |
---|---|
bin | 1100010101001… |
… | …00101010110011 |
3 | 21012122001001101 |
4 | 12022210222303 |
5 | 202434404211 |
6 | 14132545231 |
7 | 2364116365 |
oct | 612445263 |
9 | 235561041 |
10 | 103434931 |
11 | 53428216 |
12 | 2a782217 |
13 | 18577102 |
14 | da46d35 |
15 | 91325c1 |
hex | 62a4ab3 |
103434931 has 4 divisors (see below), whose sum is σ = 103455792. Its totient is φ = 103414072.
The previous prime is 103434907. The next prime is 103434977. The reversal of 103434931 is 139434301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139434301 = 313 ⋅445477.
It is a cyclic number.
It is not a de Polignac number, because 103434931 - 25 = 103434899 is a prime.
It is a super-2 number, since 2×1034349312 = 21397569901949522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 103434931.
It is not an unprimeable number, because it can be changed into a prime (103434901) 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 3 ways as a sum of consecutive naturals, for example, 1746 + ... + 14488.
It is an arithmetic number, because the mean of its divisors is an integer number (25863948).
Almost surely, 2103434931 is an apocalyptic number.
103434931 is a deficient number, since it is larger than the sum of its proper divisors (20861).
103434931 is an equidigital number, since it uses as much as digits as its factorization.
103434931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20860.
The product of its (nonzero) digits is 3888, while the sum is 28.
The square root of 103434931 is about 10170.2965050189. The cubic root of 103434931 is about 469.4136811319.
The spelling of 103434931 in words is "one hundred three million, four hundred thirty-four thousand, nine hundred thirty-one".
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