Base | Representation |
---|---|
bin | 1011011010111… |
… | …0011001101111 |
3 | 10100010120211010 |
4 | 2312232121233 |
5 | 44230302041 |
6 | 4430400303 |
7 | 1121100636 |
oct | 266563157 |
9 | 110116733 |
10 | 47900271 |
11 | 25047201 |
12 | 14060093 |
13 | 9c01773 |
14 | 650c51d |
15 | 4312a16 |
hex | 2dae66f |
47900271 has 16 divisors (see below), whose sum is σ = 68774400. Its totient is φ = 29543808.
The previous prime is 47900263. The next prime is 47900299. The reversal of 47900271 is 17200974.
It is not a de Polignac number, because 47900271 - 23 = 47900263 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47900201) 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 15 ways as a sum of consecutive naturals, for example, 4951 + ... + 10968.
It is an arithmetic number, because the mean of its divisors is an integer number (4298400).
Almost surely, 247900271 is an apocalyptic number.
47900271 is a deficient number, since it is larger than the sum of its proper divisors (20874129).
47900271 is a wasteful number, since it uses less digits than its factorization.
47900271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15998.
The product of its (nonzero) digits is 3528, while the sum is 30.
The square root of 47900271 is about 6921.0021673165. The cubic root of 47900271 is about 363.1722501351.
Subtracting from 47900271 its sum of digits (30), we obtain a square (47900241 = 69212).
The spelling of 47900271 in words is "forty-seven million, nine hundred thousand, two hundred seventy-one".
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