Base | Representation |
---|---|
bin | 1011011011111… |
… | …1111011110100 |
3 | 10100021020022212 |
4 | 2312333323310 |
5 | 44240101314 |
6 | 4432112552 |
7 | 1121520206 |
oct | 266777364 |
9 | 110236285 |
10 | 47972084 |
11 | 25096156 |
12 | 14095758 |
13 | 9c28364 |
14 | 652a776 |
15 | 4328e3e |
hex | 2dbfef4 |
47972084 has 12 divisors (see below), whose sum is σ = 84018144. Its totient is φ = 23966904.
The previous prime is 47972083. The next prime is 47972087. The reversal of 47972084 is 48027974.
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47972081) 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 3 ways as a sum of consecutive naturals, for example, 1889 + ... + 9975.
It is an arithmetic number, because the mean of its divisors is an integer number (7001512).
Almost surely, 247972084 is an apocalyptic number.
It is an amenable number.
47972084 is a deficient number, since it is larger than the sum of its proper divisors (36046060).
47972084 is a wasteful number, since it uses less digits than its factorization.
47972084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9574 (or 9572 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 41.
The square root of 47972084 is about 6926.1882735022. The cubic root of 47972084 is about 363.3536511003.
The spelling of 47972084 in words is "forty-seven million, nine hundred seventy-two thousand, eighty-four".
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