Base | Representation |
---|---|
bin | 1011011011111… |
… | …1001111110100 |
3 | 10100021002110120 |
4 | 2312333033310 |
5 | 44240004033 |
6 | 4432051540 |
7 | 1121506044 |
oct | 266771764 |
9 | 110232416 |
10 | 47969268 |
11 | 25094026 |
12 | 14093bb0 |
13 | 9c26ca9 |
14 | 6529724 |
15 | 43281b3 |
hex | 2dbf3f4 |
47969268 has 24 divisors (see below), whose sum is σ = 112519680. Its totient is φ = 15905280.
The previous prime is 47969261. The next prime is 47969287. The reversal of 47969268 is 86296974.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 47969268.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47969261) 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, 8173 + ... + 12756.
It is an arithmetic number, because the mean of its divisors is an integer number (4688320).
Almost surely, 247969268 is an apocalyptic number.
It is an amenable number.
47969268 is an abundant number, since it is smaller than the sum of its proper divisors (64550412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47969268 is a wasteful number, since it uses less digits than its factorization.
47969268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21127 (or 21125 counting only the distinct ones).
The product of its digits is 1306368, while the sum is 51.
The square root of 47969268 is about 6925.9849841015. The cubic root of 47969268 is about 363.3465412438.
The spelling of 47969268 in words is "forty-seven million, nine hundred sixty-nine thousand, two hundred sixty-eight".
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