Base | Representation |
---|---|
bin | 11110001110010… |
… | …01001010110111 |
3 | 122200001200212220 |
4 | 33013021022313 |
5 | 1004400441212 |
6 | 41054013423 |
7 | 6165655605 |
oct | 1707111267 |
9 | 580050786 |
10 | 253530807 |
11 | 1201254a2 |
12 | 70aa7273 |
13 | 406aa83a |
14 | 25958875 |
15 | 173d038c |
hex | f1c92b7 |
253530807 has 8 divisors (see below), whose sum is σ = 338404080. Its totient is φ = 168839040.
The previous prime is 253530799. The next prime is 253530811. The reversal of 253530807 is 708035352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 253530807 - 23 = 253530799 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253530007) 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, 42082 + ... + 47727.
It is an arithmetic number, because the mean of its divisors is an integer number (42300510).
Almost surely, 2253530807 is an apocalyptic number.
253530807 is a deficient number, since it is larger than the sum of its proper divisors (84873273).
253530807 is an equidigital number, since it uses as much as digits as its factorization.
253530807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90753.
The product of its (nonzero) digits is 25200, while the sum is 33.
The square root of 253530807 is about 15922.6507529368. The cubic root of 253530807 is about 632.9123638002.
The spelling of 253530807 in words is "two hundred fifty-three million, five hundred thirty thousand, eight hundred seven".
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