Base | Representation |
---|---|
bin | 1011100000100… |
… | …1001000010011 |
3 | 10100211110120211 |
4 | 2320021020103 |
5 | 44324200031 |
6 | 4442344551 |
7 | 1124206243 |
oct | 270111023 |
9 | 110743524 |
10 | 48271891 |
11 | 25280428 |
12 | 141bb157 |
13 | a001965 |
14 | 65a7b23 |
15 | 4387bb1 |
hex | 2e09213 |
48271891 has 8 divisors (see below), whose sum is σ = 51172560. Its totient is φ = 45378048.
The previous prime is 48271889. The next prime is 48271897. The reversal of 48271891 is 19817284.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 48271891 - 21 = 48271889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48271897) 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, 24360 + ... + 26266.
It is an arithmetic number, because the mean of its divisors is an integer number (6396570).
Almost surely, 248271891 is an apocalyptic number.
48271891 is a deficient number, since it is larger than the sum of its proper divisors (2900669).
48271891 is a wasteful number, since it uses less digits than its factorization.
48271891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3413.
The product of its digits is 32256, while the sum is 40.
The square root of 48271891 is about 6947.7975646963. The cubic root of 48271891 is about 364.1090196936.
The spelling of 48271891 in words is "forty-eight million, two hundred seventy-one thousand, eight hundred ninety-one".
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