Base | Representation |
---|---|
bin | 11110001000011… |
… | …00101101010110 |
3 | 122121121110222122 |
4 | 33010030231112 |
5 | 1004201240440 |
6 | 41025255542 |
7 | 6156262220 |
oct | 1704145526 |
9 | 577543878 |
10 | 252758870 |
11 | 11a748531 |
12 | 707945b2 |
13 | 4049a380 |
14 | 257d7410 |
15 | 172cb7b5 |
hex | f10cb56 |
252758870 has 32 divisors (see below), whose sum is σ = 559960128. Its totient is φ = 79993728.
The previous prime is 252758837. The next prime is 252758879. The reversal of 252758870 is 78857252.
252758870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252758879) 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, 137969 + ... + 139788.
It is an arithmetic number, because the mean of its divisors is an integer number (17498754).
Almost surely, 2252758870 is an apocalyptic number.
252758870 is an abundant number, since it is smaller than the sum of its proper divisors (307201258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252758870 is a wasteful number, since it uses less digits than its factorization.
252758870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277784.
The product of its (nonzero) digits is 313600, while the sum is 44.
The square root of 252758870 is about 15898.3920570604. The cubic root of 252758870 is about 632.2693582245.
The spelling of 252758870 in words is "two hundred fifty-two million, seven hundred fifty-eight thousand, eight hundred seventy".
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