Base | Representation |
---|---|
bin | 1100011000110… |
… | …01110110011001 |
3 | 21020112102110012 |
4 | 12030121312121 |
5 | 203100234110 |
6 | 14151131305 |
7 | 2401155623 |
oct | 614316631 |
9 | 236472405 |
10 | 103914905 |
11 | 53725896 |
12 | 2a973b35 |
13 | 186b4713 |
14 | db2dc13 |
15 | 91c9905 |
hex | 6319d99 |
103914905 has 4 divisors (see below), whose sum is σ = 124697892. Its totient is φ = 83131920.
The previous prime is 103914901. The next prime is 103914919. The reversal of 103914905 is 509419301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509419301 = 41 ⋅12424861.
It can be written as a sum of positive squares in 2 ways, for example, as 32478601 + 71436304 = 5699^2 + 8452^2 .
It is not a de Polignac number, because 103914905 - 22 = 103914901 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (103914901) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10391486 + ... + 10391495.
It is an arithmetic number, because the mean of its divisors is an integer number (31174473).
Almost surely, 2103914905 is an apocalyptic number.
It is an amenable number.
103914905 is a deficient number, since it is larger than the sum of its proper divisors (20782987).
103914905 is an equidigital number, since it uses as much as digits as its factorization.
103914905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20782986.
The product of its (nonzero) digits is 4860, while the sum is 32.
The square root of 103914905 is about 10193.8660477760. The cubic root of 103914905 is about 470.1386417609.
The spelling of 103914905 in words is "one hundred three million, nine hundred fourteen thousand, nine hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •