Base | Representation |
---|---|
bin | 1100100001101… |
… | …10100001000111 |
3 | 21022201122220022 |
4 | 12100312201013 |
5 | 203400042103 |
6 | 14232125355 |
7 | 2414113214 |
oct | 620664107 |
9 | 238648808 |
10 | 105080903 |
11 | 54351924 |
12 | 2b23685b |
13 | 18a02365 |
14 | dd54b0b |
15 | 935a138 |
hex | 6436847 |
105080903 has 4 divisors (see below), whose sum is σ = 105532128. Its totient is φ = 104629680.
The previous prime is 105080869. The next prime is 105080939. The reversal of 105080903 is 309080501.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309080501 = 15767 ⋅19603.
It is a cyclic number.
It is not a de Polignac number, because 105080903 - 26 = 105080839 is a prime.
It is a super-2 number, since 2×1050809032 = 22083992350590818, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105080953) 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, 225263 + ... + 225728.
It is an arithmetic number, because the mean of its divisors is an integer number (26383032).
Almost surely, 2105080903 is an apocalyptic number.
105080903 is a deficient number, since it is larger than the sum of its proper divisors (451225).
105080903 is an equidigital number, since it uses as much as digits as its factorization.
105080903 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 451224.
The product of its (nonzero) digits is 1080, while the sum is 26.
The square root of 105080903 is about 10250.8976680094. The cubic root of 105080903 is about 471.8905337810.
The spelling of 105080903 in words is "one hundred five million, eighty thousand, nine hundred three".
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