Base | Representation |
---|---|
bin | 1011001101011… |
… | …1101111100011 |
3 | 10021110220201112 |
4 | 2303113233203 |
5 | 44014133102 |
6 | 4355453535 |
7 | 1110446354 |
oct | 263275743 |
9 | 107426645 |
10 | 47021027 |
11 | 245a6659 |
12 | 138b72ab |
13 | 99844c1 |
14 | 635dd2b |
15 | 41dc252 |
hex | 2cd7be3 |
47021027 has 4 divisors (see below), whose sum is σ = 47191056. Its totient is φ = 46851000.
The previous prime is 47021011. The next prime is 47021033. The reversal of 47021027 is 72012074.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 47021027 - 24 = 47021011 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47020993 and 47021011.
It is not an unprimeable number, because it can be changed into a prime (47021047) 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, 84599 + ... + 85152.
It is an arithmetic number, because the mean of its divisors is an integer number (11797764).
Almost surely, 247021027 is an apocalyptic number.
47021027 is a deficient number, since it is larger than the sum of its proper divisors (170029).
47021027 is a wasteful number, since it uses less digits than its factorization.
47021027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170028.
The product of its (nonzero) digits is 784, while the sum is 23.
The square root of 47021027 is about 6857.1879805063. The cubic root of 47021027 is about 360.9364175689.
The spelling of 47021027 in words is "forty-seven million, twenty-one thousand, twenty-seven".
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