Base | Representation |
---|---|
bin | 1011011011111… |
… | …1010010110101 |
3 | 10100021002201201 |
4 | 2312333102311 |
5 | 44240010321 |
6 | 4432052501 |
7 | 1121506441 |
oct | 266772265 |
9 | 110232651 |
10 | 47969461 |
11 | 25094191 |
12 | 14094131 |
13 | 9c270c7 |
14 | 6529821 |
15 | 4328291 |
hex | 2dbf4b5 |
47969461 has 4 divisors (see below), whose sum is σ = 50791212. Its totient is φ = 45147712.
The previous prime is 47969447. The next prime is 47969477. The reversal of 47969461 is 16496974.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 33292900 + 14676561 = 5770^2 + 3831^2 .
It is a cyclic number.
It is not a de Polignac number, because 47969461 - 25 = 47969429 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47969401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410850 + ... + 1410883.
It is an arithmetic number, because the mean of its divisors is an integer number (12697803).
Almost surely, 247969461 is an apocalyptic number.
It is an amenable number.
47969461 is a deficient number, since it is larger than the sum of its proper divisors (2821751).
47969461 is a wasteful number, since it uses less digits than its factorization.
47969461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2821750.
The product of its digits is 326592, while the sum is 46.
The square root of 47969461 is about 6925.9989171238. The cubic root of 47969461 is about 363.3470285404.
The spelling of 47969461 in words is "forty-seven million, nine hundred sixty-nine thousand, four hundred sixty-one".
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