Base | Representation |
---|---|
bin | 11101101010100… |
… | …00011110010011 |
3 | 122100020111020020 |
4 | 32311100132103 |
5 | 1002200422011 |
6 | 40405314523 |
7 | 6111060156 |
oct | 1665203623 |
9 | 570214206 |
10 | 248842131 |
11 | 11851285a |
12 | 6b405a43 |
13 | 3c728685 |
14 | 25097c9d |
15 | 16ca6006 |
hex | ed50793 |
248842131 has 16 divisors (see below), whose sum is σ = 344599200. Its totient is φ = 159591168.
The previous prime is 248842123. The next prime is 248842169. The reversal of 248842131 is 131248842.
It is not a de Polignac number, because 248842131 - 23 = 248842123 is a prime.
It is a super-2 number, since 2×2488421312 = 123844812321242322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 248842092 and 248842101.
It is not an unprimeable number, because it can be changed into a prime (248842831) 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, 2716 + ... + 22473.
It is an arithmetic number, because the mean of its divisors is an integer number (21537450).
Almost surely, 2248842131 is an apocalyptic number.
248842131 is a deficient number, since it is larger than the sum of its proper divisors (95757069).
248842131 is a wasteful number, since it uses less digits than its factorization.
248842131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25318.
The product of its digits is 12288, while the sum is 33.
The square root of 248842131 is about 15774.7307742478. The cubic root of 248842131 is about 628.9864706090.
The spelling of 248842131 in words is "two hundred forty-eight million, eight hundred forty-two thousand, one hundred thirty-one".
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