Base | Representation |
---|---|
bin | 1011010111011… |
… | …0101111000101 |
3 | 10022201000001022 |
4 | 2311312233011 |
5 | 44201003021 |
6 | 4421440525 |
7 | 1116131120 |
oct | 265665705 |
9 | 108630038 |
10 | 47672261 |
11 | 24a0096a |
12 | 13b70145 |
13 | 9b51a50 |
14 | 648d3b7 |
15 | 42ba1ab |
hex | 2d76bc5 |
47672261 has 16 divisors (see below), whose sum is σ = 61227264. Its totient is φ = 36077184.
The previous prime is 47672249. The next prime is 47672269. The reversal of 47672261 is 16227674.
It is not a de Polignac number, because 47672261 - 214 = 47655877 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47672269) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9296 + ... + 13481.
It is an arithmetic number, because the mean of its divisors is an integer number (3826704).
Almost surely, 247672261 is an apocalyptic number.
It is an amenable number.
47672261 is a deficient number, since it is larger than the sum of its proper divisors (13555003).
47672261 is a wasteful number, since it uses less digits than its factorization.
47672261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22820.
The product of its digits is 28224, while the sum is 35.
The square root of 47672261 is about 6904.5101926205. The cubic root of 47672261 is about 362.5950881743.
The spelling of 47672261 in words is "forty-seven million, six hundred seventy-two thousand, two hundred sixty-one".
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