Base | Representation |
---|---|
bin | 1011111110110… |
… | …0110101011001 |
3 | 10111120010100121 |
4 | 2333230311121 |
5 | 100331100040 |
6 | 4553033241 |
7 | 1150100425 |
oct | 277546531 |
9 | 114503317 |
10 | 50253145 |
11 | 26403a28 |
12 | 149b5821 |
13 | a5466b7 |
14 | 6961b85 |
15 | 4629c4a |
hex | 2fecd59 |
50253145 has 8 divisors (see below), whose sum is σ = 60349320. Its totient is φ = 40172160.
The previous prime is 50253109. The next prime is 50253163. The reversal of 50253145 is 54135205.
It can be written as a sum of positive squares in 4 ways, for example, as 5456896 + 44796249 = 2336^2 + 6693^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50253145 - 27 = 50253017 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5605 + ... + 11485.
It is an arithmetic number, because the mean of its divisors is an integer number (7543665).
Almost surely, 250253145 is an apocalyptic number.
It is an amenable number.
50253145 is a deficient number, since it is larger than the sum of its proper divisors (10096175).
50253145 is a wasteful number, since it uses less digits than its factorization.
50253145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7595.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 50253145 is about 7088.9452671043. The cubic root of 50253145 is about 369.0238329899.
The spelling of 50253145 in words is "fifty million, two hundred fifty-three thousand, one hundred forty-five".
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