Base | Representation |
---|---|
bin | 1011011011111… |
… | …0111111011001 |
3 | 10100021001000122 |
4 | 2312332333121 |
5 | 44234440332 |
6 | 4432043025 |
7 | 1121503013 |
oct | 266767731 |
9 | 110231018 |
10 | 47968217 |
11 | 25093260 |
12 | 14093475 |
13 | 9c2667b |
14 | 65291b3 |
15 | 4327c12 |
hex | 2dbefd9 |
47968217 has 16 divisors (see below), whose sum is σ = 55345920. Its totient is φ = 41115600.
The previous prime is 47968211. The next prime is 47968231. The reversal of 47968217 is 71286974.
It is a cyclic number.
It is not a de Polignac number, because 47968217 - 24 = 47968201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47968211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58742 + ... + 59552.
It is an arithmetic number, because the mean of its divisors is an integer number (3459120).
Almost surely, 247968217 is an apocalyptic number.
It is an amenable number.
47968217 is a deficient number, since it is larger than the sum of its proper divisors (7377703).
47968217 is a wasteful number, since it uses less digits than its factorization.
47968217 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1124.
The product of its digits is 169344, while the sum is 44.
The square root of 47968217 is about 6925.9091100014. The cubic root of 47968217 is about 363.3438876003.
The spelling of 47968217 in words is "forty-seven million, nine hundred sixty-eight thousand, two hundred seventeen".
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