Base | Representation |
---|---|
bin | 1100010011110… |
… | …00110011011101 |
3 | 21012021220120221 |
4 | 12021320303131 |
5 | 202413132021 |
6 | 14125041341 |
7 | 2362440514 |
oct | 611706335 |
9 | 235256527 |
10 | 103255261 |
11 | 5331522a |
12 | 2a6b6251 |
13 | 185133b5 |
14 | d9db67b |
15 | 90e9241 |
hex | 6278cdd |
103255261 has 4 divisors (see below), whose sum is σ = 105773724. Its totient is φ = 100736800.
The previous prime is 103255247. The next prime is 103255279. The reversal of 103255261 is 162552301.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 59444100 + 43811161 = 7710^2 + 6619^2 .
It is a cyclic number.
It is not a de Polignac number, because 103255261 - 219 = 102730973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103255961) 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, 1259170 + ... + 1259251.
It is an arithmetic number, because the mean of its divisors is an integer number (26443431).
Almost surely, 2103255261 is an apocalyptic number.
It is an amenable number.
103255261 is a deficient number, since it is larger than the sum of its proper divisors (2518463).
103255261 is an equidigital number, since it uses as much as digits as its factorization.
103255261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2518462.
The product of its (nonzero) digits is 1800, while the sum is 25.
The square root of 103255261 is about 10161.4595900392. The cubic root of 103255261 is about 469.1417277534.
The spelling of 103255261 in words is "one hundred three million, two hundred fifty-five thousand, two hundred sixty-one".
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