Base | Representation |
---|---|
bin | 11101110111001… |
… | …01010000110001 |
3 | 122110100201121011 |
4 | 32323211100301 |
5 | 1003112001040 |
6 | 40505030521 |
7 | 6131134060 |
oct | 1673452061 |
9 | 573321534 |
10 | 250500145 |
11 | 119445515 |
12 | 6ba85441 |
13 | 3cb8924c |
14 | 253aa1d7 |
15 | 16ed23ea |
hex | eee5431 |
250500145 has 16 divisors (see below), whose sum is σ = 343801728. Its totient is φ = 171642240.
The previous prime is 250500139. The next prime is 250500163. The reversal of 250500145 is 541005052.
It is not a de Polignac number, because 250500145 - 25 = 250500113 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 16.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81690 + ... + 84700.
It is an arithmetic number, because the mean of its divisors is an integer number (21487608).
Almost surely, 2250500145 is an apocalyptic number.
It is an amenable number.
250500145 is a deficient number, since it is larger than the sum of its proper divisors (93301583).
250500145 is a wasteful number, since it uses less digits than its factorization.
250500145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5400.
The product of its (nonzero) digits is 1000, while the sum is 22.
The square root of 250500145 is about 15827.1963720679. The cubic root of 250500145 is about 630.3803405892.
Adding to 250500145 its reverse (541005052), we get a palindrome (791505197).
The spelling of 250500145 in words is "two hundred fifty million, five hundred thousand, one hundred forty-five".
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