Base | Representation |
---|---|
bin | 11110001101011… |
… | …11111100100001 |
3 | 122122212110011022 |
4 | 33012233330201 |
5 | 1004334134424 |
6 | 41051455225 |
7 | 6165045440 |
oct | 1706577441 |
9 | 578773138 |
10 | 253427489 |
11 | 120064907 |
12 | 70a57515 |
13 | 406727c3 |
14 | 2592cd57 |
15 | 173ae95e |
hex | f1aff21 |
253427489 has 8 divisors (see below), whose sum is σ = 294379968. Its totient is φ = 213662160.
The previous prime is 253427417. The next prime is 253427513. The reversal of 253427489 is 984724352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 253427489 - 224 = 236650273 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (253427189) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296327 + ... + 297180.
It is an arithmetic number, because the mean of its divisors is an integer number (36797496).
Almost surely, 2253427489 is an apocalyptic number.
It is an amenable number.
253427489 is a deficient number, since it is larger than the sum of its proper divisors (40952479).
253427489 is an equidigital number, since it uses as much as digits as its factorization.
253427489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 593575.
The product of its digits is 483840, while the sum is 44.
The square root of 253427489 is about 15919.4060504781. The cubic root of 253427489 is about 632.8263780311.
The spelling of 253427489 in words is "two hundred fifty-three million, four hundred twenty-seven thousand, four hundred eighty-nine".
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