Base | Representation |
---|---|
bin | 11110000010111… |
… | …10011100111011 |
3 | 122120021012220021 |
4 | 33001132130323 |
5 | 1004010420430 |
6 | 41002111311 |
7 | 6150230260 |
oct | 1701363473 |
9 | 576235807 |
10 | 252045115 |
11 | 11a300253 |
12 | 704ab537 |
13 | 402aa52a |
14 | 2568d267 |
15 | 171da07a |
hex | f05e73b |
252045115 has 16 divisors (see below), whose sum is σ = 346767552. Its totient is φ = 172278144.
The previous prime is 252045113. The next prime is 252045121. The reversal of 252045115 is 511540252.
It is a cyclic number.
It is not a de Polignac number, because 252045115 - 21 = 252045113 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 252045115.
It is not an unprimeable number, because it can be changed into a prime (252045113) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 264 + ... + 22453.
It is an arithmetic number, because the mean of its divisors is an integer number (21672972).
Almost surely, 2252045115 is an apocalyptic number.
252045115 is a deficient number, since it is larger than the sum of its proper divisors (94722437).
252045115 is a wasteful number, since it uses less digits than its factorization.
252045115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23046.
The product of its (nonzero) digits is 2000, while the sum is 25.
The square root of 252045115 is about 15875.9287917274. The cubic root of 252045115 is about 631.6736509772.
Adding to 252045115 its reverse (511540252), we get a palindrome (763585367).
The spelling of 252045115 in words is "two hundred fifty-two million, forty-five thousand, one hundred fifteen".
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