Base | Representation |
---|---|
bin | 1100010100111… |
… | …01011011000111 |
3 | 21012120112100021 |
4 | 12022131123013 |
5 | 202432432010 |
6 | 14132200011 |
7 | 2363634022 |
oct | 612353307 |
9 | 235515307 |
10 | 103405255 |
11 | 53407998 |
12 | 2a769007 |
13 | 18566755 |
14 | da3a1b9 |
15 | 91288da |
hex | 629d6c7 |
103405255 has 8 divisors (see below), whose sum is σ = 124920000. Its totient is φ = 82168416.
The previous prime is 103405241. The next prime is 103405259. The reversal of 103405255 is 552504301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 103405255 - 211 = 103403207 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103405259) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68655 + ... + 70144.
It is an arithmetic number, because the mean of its divisors is an integer number (15615000).
Almost surely, 2103405255 is an apocalyptic number.
103405255 is a deficient number, since it is larger than the sum of its proper divisors (21514745).
103405255 is a wasteful number, since it uses less digits than its factorization.
103405255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138953.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 103405255 is about 10168.8374458440. The cubic root of 103405255 is about 469.3687844589.
Adding to 103405255 its reverse (552504301), we get a palindrome (655909556).
The spelling of 103405255 in words is "one hundred three million, four hundred five thousand, two hundred fifty-five".
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