Base | Representation |
---|---|
bin | 1011100010110… |
… | …1111110011001 |
3 | 10101010010121101 |
4 | 2320231332121 |
5 | 44344012214 |
6 | 4445511401 |
7 | 1125405241 |
oct | 270557631 |
9 | 111103541 |
10 | 48422809 |
11 | 25373856 |
12 | 14272561 |
13 | a055566 |
14 | 6606b21 |
15 | 43b7774 |
hex | 2e2df99 |
48422809 has 4 divisors (see below), whose sum is σ = 48562704. Its totient is φ = 48282916.
The previous prime is 48422807. The next prime is 48422821. The reversal of 48422809 is 90822484.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 48422809 - 21 = 48422807 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48422807) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69427 + ... + 70120.
It is an arithmetic number, because the mean of its divisors is an integer number (12140676).
Almost surely, 248422809 is an apocalyptic number.
It is an amenable number.
48422809 is a deficient number, since it is larger than the sum of its proper divisors (139895).
48422809 is a wasteful number, since it uses less digits than its factorization.
48422809 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139894.
The product of its (nonzero) digits is 36864, while the sum is 37.
The square root of 48422809 is about 6958.6499409009. The cubic root of 48422809 is about 364.4880769946.
The spelling of 48422809 in words is "forty-eight million, four hundred twenty-two thousand, eight hundred nine".
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