Base | Representation |
---|---|
bin | 11110001011000… |
… | …00110001101101 |
3 | 122122020222100002 |
4 | 33011200301231 |
5 | 1004243300323 |
6 | 41040514045 |
7 | 6162225146 |
oct | 1705406155 |
9 | 578228302 |
10 | 253103213 |
11 | 11a963210 |
12 | 7091b925 |
13 | 4058b01c |
14 | 25886acd |
15 | 17348828 |
hex | f160c6d |
253103213 has 16 divisors (see below), whose sum is σ = 290338560. Its totient is φ = 218500800.
The previous prime is 253103183. The next prime is 253103219. The reversal of 253103213 is 312301352.
253103213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 253103213 - 212 = 253099117 is a prime.
It is a super-2 number, since 2×2531032132 = 128122472861846738, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253103219) 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, 12956 + ... + 25962.
It is an arithmetic number, because the mean of its divisors is an integer number (18146160).
Almost surely, 2253103213 is an apocalyptic number.
It is an amenable number.
253103213 is a deficient number, since it is larger than the sum of its proper divisors (37235347).
253103213 is a wasteful number, since it uses less digits than its factorization.
253103213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13108.
The product of its (nonzero) digits is 540, while the sum is 20.
The square root of 253103213 is about 15909.2178626103. The cubic root of 253103213 is about 632.5563494507.
Adding to 253103213 its reverse (312301352), we get a palindrome (565404565).
The spelling of 253103213 in words is "two hundred fifty-three million, one hundred three thousand, two hundred thirteen".
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