Base | Representation |
---|---|
bin | 11110010001001… |
… | …00100101010011 |
3 | 122200202201111121 |
4 | 33020210211103 |
5 | 1004444431420 |
6 | 41110023111 |
7 | 6202105333 |
oct | 1710444523 |
9 | 580681447 |
10 | 253905235 |
11 | 120360841 |
12 | 71047a97 |
13 | 407ac0ac |
14 | 25a150c3 |
15 | 174562aa |
hex | f224953 |
253905235 has 16 divisors (see below), whose sum is σ = 307929600. Its totient is φ = 200974816.
The previous prime is 253905209. The next prime is 253905247. The reversal of 253905235 is 532509352.
It is a cyclic number.
It is not a de Polignac number, because 253905235 - 27 = 253905107 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 253905235.
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, 213312 + ... + 214498.
It is an arithmetic number, because the mean of its divisors is an integer number (19245600).
Almost surely, 2253905235 is an apocalyptic number.
253905235 is a deficient number, since it is larger than the sum of its proper divisors (54024365).
253905235 is a wasteful number, since it uses less digits than its factorization.
253905235 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1610.
The product of its (nonzero) digits is 40500, while the sum is 34.
The square root of 253905235 is about 15934.4041306853. The cubic root of 253905235 is about 633.2237836066.
It can be divided in two parts, 25390 and 5235, that added together give a square (30625 = 1752).
The spelling of 253905235 in words is "two hundred fifty-three million, nine hundred five thousand, two hundred thirty-five".
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