Base | Representation |
---|---|
bin | 1011001110100… |
… | …0101001100101 |
3 | 10021121102201100 |
4 | 2303220221211 |
5 | 44023342102 |
6 | 4401150313 |
7 | 1111155303 |
oct | 263505145 |
9 | 107542640 |
10 | 47090277 |
11 | 24643693 |
12 | 1392b399 |
13 | 99a9b90 |
14 | 637b273 |
15 | 4202a1c |
hex | 2ce8a65 |
47090277 has 24 divisors (see below), whose sum is σ = 73566584. Its totient is φ = 28854144.
The previous prime is 47090273. The next prime is 47090279. The reversal of 47090277 is 77209074.
47090277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 5022081 + 42068196 = 2241^2 + 6486^2 .
It is not a de Polignac number, because 47090277 - 22 = 47090273 is a prime.
It is a hoax number, since the sum of its digits (36) 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 (47090273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31683 + ... + 33135.
Almost surely, 247090277 is an apocalyptic number.
It is an amenable number.
47090277 is a deficient number, since it is larger than the sum of its proper divisors (26476307).
47090277 is a wasteful number, since it uses less digits than its factorization.
47090277 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1749 (or 1746 counting only the distinct ones).
The product of its (nonzero) digits is 24696, while the sum is 36.
The square root of 47090277 is about 6862.2355686759. The cubic root of 47090277 is about 361.1135198016.
The spelling of 47090277 in words is "forty-seven million, ninety thousand, two hundred seventy-seven".
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