Base | Representation |
---|---|
bin | 1011111011101… |
… | …11010011101101 |
3 | 20222100210001112 |
4 | 11331313103231 |
5 | 201111302110 |
6 | 13533321405 |
7 | 2323602443 |
oct | 575672355 |
9 | 228323045 |
10 | 100103405 |
11 | 51562196 |
12 | 29636265 |
13 | 1797b8ac |
14 | d41ab93 |
15 | 8bc5405 |
hex | 5f774ed |
100103405 has 8 divisors (see below), whose sum is σ = 120325632. Its totient is φ = 79948368.
The previous prime is 100103401. The next prime is 100103417. The reversal of 100103405 is 504301001.
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 100103405 - 22 = 100103401 is a prime.
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 100103405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100103401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13457 + ... + 19526.
It is an arithmetic number, because the mean of its divisors is an integer number (15040704).
Almost surely, 2100103405 is an apocalyptic number.
It is an amenable number.
100103405 is a deficient number, since it is larger than the sum of its proper divisors (20222227).
100103405 is an equidigital number, since it uses as much as digits as its factorization.
100103405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33595.
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 100103405 is about 10005.1689141163. The cubic root of 100103405 is about 464.3188160789.
Adding to 100103405 its reverse (504301001), we get a palindrome (604404406).
The spelling of 100103405 in words is "one hundred million, one hundred three thousand, four hundred five".
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