Base | Representation |
---|---|
bin | 1011100111011… |
… | …0011111010111 |
3 | 10101200020001012 |
4 | 2321312133113 |
5 | 44433013311 |
6 | 4500122435 |
7 | 1131053216 |
oct | 271663727 |
9 | 111606035 |
10 | 48719831 |
11 | 25556a26 |
12 | 1439641b |
13 | a12a804 |
14 | 668307d |
15 | 442578b |
hex | 2e767d7 |
48719831 has 2 divisors, whose sum is σ = 48719832. Its totient is φ = 48719830.
The previous prime is 48719821. The next prime is 48719833. The reversal of 48719831 is 13891784.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 48719831 - 218 = 48457687 is a prime.
It is a super-2 number, since 2×487198312 = 4747243865337122, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 48719833, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (48719833) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24359915 + 24359916.
It is an arithmetic number, because the mean of its divisors is an integer number (24359916).
Almost surely, 248719831 is an apocalyptic number.
48719831 is a deficient number, since it is larger than the sum of its proper divisors (1).
48719831 is an equidigital number, since it uses as much as digits as its factorization.
48719831 is an evil number, because the sum of its binary digits is even.
The product of its digits is 48384, while the sum is 41.
The square root of 48719831 is about 6979.9592405687. The cubic root of 48719831 is about 365.2318062143.
The spelling of 48719831 in words is "forty-eight million, seven hundred nineteen thousand, eight hundred thirty-one".
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