Base | Representation |
---|---|
bin | 11101110011100… |
… | …10011111100111 |
3 | 122102110211202102 |
4 | 32321302133213 |
5 | 1003001430210 |
6 | 40451002315 |
7 | 6124135412 |
oct | 1671623747 |
9 | 572424672 |
10 | 250030055 |
11 | 119154310 |
12 | 6b89939b |
13 | 3ca532a2 |
14 | 252c6b79 |
15 | 16e3cea5 |
hex | ee727e7 |
250030055 has 8 divisors (see below), whose sum is σ = 327312144. Its totient is φ = 181840000.
The previous prime is 250030049. The next prime is 250030057. The reversal of 250030055 is 550030052.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 250030055 - 218 = 249767911 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 (250030057) 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, 2272946 + ... + 2273055.
It is an arithmetic number, because the mean of its divisors is an integer number (40914018).
Almost surely, 2250030055 is an apocalyptic number.
250030055 is a deficient number, since it is larger than the sum of its proper divisors (77282089).
250030055 is a wasteful number, since it uses less digits than its factorization.
250030055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4546017.
The product of its (nonzero) digits is 750, while the sum is 20.
The square root of 250030055 is about 15812.3386948294. The cubic root of 250030055 is about 629.9857685540.
The spelling of 250030055 in words is "two hundred fifty million, thirty thousand, fifty-five".
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