Base | Representation |
---|---|
bin | 1100010001111… |
… | …01001110101101 |
3 | 21011211111212022 |
4 | 12020331032231 |
5 | 202332324440 |
6 | 14115515525 |
7 | 2360403221 |
oct | 610751655 |
9 | 234744768 |
10 | 103011245 |
11 | 53168967 |
12 | 2a5b8ba5 |
13 | 184592cc |
14 | d976781 |
15 | 909bcb5 |
hex | 623d3ad |
103011245 has 8 divisors (see below), whose sum is σ = 130884984. Its totient is φ = 77561344.
The previous prime is 103011239. The next prime is 103011247. The reversal of 103011245 is 542110301.
It can be written as a sum of positive squares in 4 ways, for example, as 53421481 + 49589764 = 7309^2 + 7042^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 103011245 - 222 = 98816941 is a prime.
It is a super-2 number, since 2×1030112452 = 21222633192900050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103011247) 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, 605864 + ... + 606033.
It is an arithmetic number, because the mean of its divisors is an integer number (16360623).
Almost surely, 2103011245 is an apocalyptic number.
It is an amenable number.
103011245 is a deficient number, since it is larger than the sum of its proper divisors (27873739).
103011245 is a wasteful number, since it uses less digits than its factorization.
103011245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1211919.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 103011245 is about 10149.4455513590. The cubic root of 103011245 is about 468.7718728756.
Adding to 103011245 its reverse (542110301), we get a palindrome (645121546).
The spelling of 103011245 in words is "one hundred three million, eleven thousand, two hundred forty-five".
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