Base | Representation |
---|---|
bin | 11110000110101… |
… | …01000001111000 |
3 | 122121011220010220 |
4 | 33003111001320 |
5 | 1004121441213 |
6 | 41020340040 |
7 | 6154322265 |
oct | 1703250170 |
9 | 577156126 |
10 | 252530808 |
11 | 11a602152 |
12 | 706a4620 |
13 | 4041a61a |
14 | 2577826c |
15 | 17283e23 |
hex | f0d5078 |
252530808 has 64 divisors (see below), whose sum is σ = 649797120. Its totient is φ = 81734400.
The previous prime is 252530791. The next prime is 252530813. The reversal of 252530808 is 808035252.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266191 + ... + 267137.
It is an arithmetic number, because the mean of its divisors is an integer number (10153080).
Almost surely, 2252530808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 252530808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324898560).
252530808 is an abundant number, since it is smaller than the sum of its proper divisors (397266312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252530808 is a wasteful number, since it uses less digits than its factorization.
252530808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1268 (or 1264 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 33.
The square root of 252530808 is about 15891.2179520640. The cubic root of 252530808 is about 632.0791373957.
It can be divided in two parts, 2525 and 30808, that added together give a palindrome (33333).
The spelling of 252530808 in words is "two hundred fifty-two million, five hundred thirty thousand, eight hundred eight".
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