Base | Representation |
---|---|
bin | 1011100110111… |
… | …1000111101111 |
3 | 10101121200122021 |
4 | 2321233013233 |
5 | 44431032042 |
6 | 4455331011 |
7 | 1130566216 |
oct | 271570757 |
9 | 111550567 |
10 | 48689647 |
11 | 25536286 |
12 | 14380a67 |
13 | a119b56 |
14 | 667607d |
15 | 441b867 |
hex | 2e6f1ef |
48689647 has 4 divisors (see below), whose sum is σ = 51252280. Its totient is φ = 46127016.
The previous prime is 48689633. The next prime is 48689653. The reversal of 48689647 is 74698684.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 48689647 - 211 = 48687599 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 48689594 and 48689603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48689617) 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, 1281288 + ... + 1281325.
It is an arithmetic number, because the mean of its divisors is an integer number (12813070).
Almost surely, 248689647 is an apocalyptic number.
48689647 is a deficient number, since it is larger than the sum of its proper divisors (2562633).
48689647 is a wasteful number, since it uses less digits than its factorization.
48689647 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2562632.
The product of its digits is 2322432, while the sum is 52.
The square root of 48689647 is about 6977.7967152963. The cubic root of 48689647 is about 365.1563651051.
The spelling of 48689647 in words is "forty-eight million, six hundred eighty-nine thousand, six hundred forty-seven".
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