Base | Representation |
---|---|
bin | 1011011000111… |
… | …0100101011100 |
3 | 10022212222001100 |
4 | 2312032211130 |
5 | 44212114243 |
6 | 4423513100 |
7 | 1120015662 |
oct | 266164534 |
9 | 108788040 |
10 | 47769948 |
11 | 24a682a6 |
12 | 13bb8790 |
13 | 9b87355 |
14 | 64b6c32 |
15 | 42d90d3 |
hex | 2d8e95c |
47769948 has 18 divisors (see below), whose sum is σ = 120751904. Its totient is φ = 15923304.
The previous prime is 47769941. The next prime is 47769979. The reversal of 47769948 is 84996774.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (18).
It is a junction number, because it is equal to n+sod(n) for n = 47769894 and 47769903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47769941) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 663436 + ... + 663507.
Almost surely, 247769948 is an apocalyptic number.
It is an amenable number.
47769948 is an abundant number, since it is smaller than the sum of its proper divisors (72981956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47769948 is a wasteful number, since it uses less digits than its factorization.
47769948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1326953 (or 1326948 counting only the distinct ones).
The product of its digits is 3048192, while the sum is 54.
The square root of 47769948 is about 6911.5807164497. The cubic root of 47769948 is about 362.8425882166.
The spelling of 47769948 in words is "forty-seven million, seven hundred sixty-nine thousand, nine hundred forty-eight".
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