Base | Representation |
---|---|
bin | 11110001110001… |
… | …10100101010110 |
3 | 122200001011100120 |
4 | 33013012211112 |
5 | 1004400121324 |
6 | 41053452410 |
7 | 6165612663 |
oct | 1707064526 |
9 | 580034316 |
10 | 253520214 |
11 | 120118542 |
12 | 70aa1106 |
13 | 406a5a7c |
14 | 25954a6a |
15 | 173cc179 |
hex | f1c6956 |
253520214 has 16 divisors (see below), whose sum is σ = 529085952. Its totient is φ = 80832488.
The previous prime is 253520213. The next prime is 253520219. The reversal of 253520214 is 412025352.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253520213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918414 + ... + 918689.
It is an arithmetic number, because the mean of its divisors is an integer number (33067872).
Almost surely, 2253520214 is an apocalyptic number.
253520214 is an abundant number, since it is smaller than the sum of its proper divisors (275565738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253520214 is a wasteful number, since it uses less digits than its factorization.
253520214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1837131.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 253520214 is about 15922.3181101245. The cubic root of 253520214 is about 632.9035489160.
Adding to 253520214 its reverse (412025352), we get a palindrome (665545566).
The spelling of 253520214 in words is "two hundred fifty-three million, five hundred twenty thousand, two hundred fourteen".
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