Base | Representation |
---|---|
bin | 1011010000101… |
… | …1000001000111 |
3 | 10021212120211001 |
4 | 2310023001013 |
5 | 44042343142 |
6 | 4404154131 |
7 | 1112312563 |
oct | 264130107 |
9 | 107776731 |
10 | 47231047 |
11 | 2472a426 |
12 | 13998947 |
13 | 9a28c86 |
14 | 63b66a3 |
15 | 422e5b7 |
hex | 2d0b047 |
47231047 has 8 divisors (see below), whose sum is σ = 48095856. Its totient is φ = 46371072.
The previous prime is 47231039. The next prime is 47231069. The reversal of 47231047 is 74013274.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47231047 - 23 = 47231039 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47231027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22653 + ... + 24649.
It is an arithmetic number, because the mean of its divisors is an integer number (6011982).
Almost surely, 247231047 is an apocalyptic number.
47231047 is a deficient number, since it is larger than the sum of its proper divisors (864809).
47231047 is a wasteful number, since it uses less digits than its factorization.
47231047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2417.
The product of its (nonzero) digits is 4704, while the sum is 28.
The square root of 47231047 is about 6872.4847762654. The cubic root of 47231047 is about 361.4729951444.
The spelling of 47231047 in words is "forty-seven million, two hundred thirty-one thousand, forty-seven".
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