Base | Representation |
---|---|
bin | 11110001100100… |
… | …10001100110101 |
3 | 122122122021000212 |
4 | 33012102030311 |
5 | 1004321240103 |
6 | 41045115205 |
7 | 6164030306 |
oct | 1706221465 |
9 | 578567025 |
10 | 253305653 |
11 | 11aa91317 |
12 | 709b8b05 |
13 | 4062c203 |
14 | 258da7ad |
15 | 173887d8 |
hex | f192335 |
253305653 has 2 divisors, whose sum is σ = 253305654. Its totient is φ = 253305652.
The previous prime is 253305641. The next prime is 253305673. The reversal of 253305653 is 356503352.
253305653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 208455844 + 44849809 = 14438^2 + 6697^2 .
It is a cyclic number.
It is not a de Polignac number, because 253305653 - 214 = 253289269 is a prime.
It is a Chen prime.
It is equal to p13850186 and since 253305653 and 13850186 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (253305623) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126652826 + 126652827.
It is an arithmetic number, because the mean of its divisors is an integer number (126652827).
Almost surely, 2253305653 is an apocalyptic number.
It is an amenable number.
253305653 is a deficient number, since it is larger than the sum of its proper divisors (1).
253305653 is an equidigital number, since it uses as much as digits as its factorization.
253305653 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40500, while the sum is 32.
The square root of 253305653 is about 15915.5789401454. The cubic root of 253305653 is about 632.7249507369.
The spelling of 253305653 in words is "two hundred fifty-three million, three hundred five thousand, six hundred fifty-three".
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