Base | Representation |
---|---|
bin | 11101100101000… |
… | …10000101000101 |
3 | 122021220012101000 |
4 | 32302202011011 |
5 | 1002010042223 |
6 | 40342123513 |
7 | 6102023463 |
oct | 1662420505 |
9 | 567805330 |
10 | 248127813 |
11 | 11807510a |
12 | 6b120599 |
13 | 3c5384bb |
14 | 24d4d833 |
15 | 16bb4543 |
hex | eca2145 |
248127813 has 32 divisors (see below), whose sum is σ = 380851200. Its totient is φ = 159494400.
The previous prime is 248127797. The next prime is 248127833. The reversal of 248127813 is 318721842.
It is not a de Polignac number, because 248127813 - 24 = 248127797 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248127833) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435793 + ... + 436361.
It is an arithmetic number, because the mean of its divisors is an integer number (11901600).
Almost surely, 2248127813 is an apocalyptic number.
It is an amenable number.
248127813 is a deficient number, since it is larger than the sum of its proper divisors (132723387).
248127813 is a wasteful number, since it uses less digits than its factorization.
248127813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1130 (or 1124 counting only the distinct ones).
The product of its digits is 21504, while the sum is 36.
The square root of 248127813 is about 15752.0732921098. The cubic root of 248127813 is about 628.3840445452.
The spelling of 248127813 in words is "two hundred forty-eight million, one hundred twenty-seven thousand, eight hundred thirteen".
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