Base | Representation |
---|---|
bin | 11110000110011… |
… | …10110110100010 |
3 | 122121010121102210 |
4 | 33003032312202 |
5 | 1004120134011 |
6 | 41020022550 |
7 | 6154155441 |
oct | 1703166642 |
9 | 577117383 |
10 | 252505506 |
11 | 11a595140 |
12 | 70691a56 |
13 | 4040bc56 |
14 | 2576cd58 |
15 | 1727b6a6 |
hex | f0ceda2 |
252505506 has 32 divisors (see below), whose sum is σ = 555812928. Its totient is φ = 75837440.
The previous prime is 252505483. The next prime is 252505507. The reversal of 252505506 is 605505252.
It is not an unprimeable number, because it can be changed into a prime (252505507) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9471 + ... + 24386.
It is an arithmetic number, because the mean of its divisors is an integer number (17369154).
Almost surely, 2252505506 is an apocalyptic number.
252505506 is an abundant number, since it is smaller than the sum of its proper divisors (303307422).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252505506 is a wasteful number, since it uses less digits than its factorization.
252505506 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33986.
The product of its (nonzero) digits is 15000, while the sum is 30.
The square root of 252505506 is about 15890.4218320345. The cubic root of 252505506 is about 632.0580265714.
The spelling of 252505506 in words is "two hundred fifty-two million, five hundred five thousand, five hundred six".
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