Base | Representation |
---|---|
bin | 1011011000100… |
… | …1100010010010 |
3 | 10022211220200100 |
4 | 2312021202102 |
5 | 44210434031 |
6 | 4423233230 |
7 | 1116601455 |
oct | 266114222 |
9 | 108756610 |
10 | 47749266 |
11 | 24a53804 |
12 | 13ba8816 |
13 | 9b7ab06 |
14 | 64ad49c |
15 | 42d2de6 |
hex | 2d89892 |
47749266 has 12 divisors (see below), whose sum is σ = 103456782. Its totient is φ = 15916416.
The previous prime is 47749253. The next prime is 47749267. The reversal of 47749266 is 66294774.
It can be written as a sum of positive squares in only one way, i.e., 44957025 + 2792241 = 6705^2 + 1671^2 .
It is not an unprimeable number, because it can be changed into a prime (47749267) 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 5 ways as a sum of consecutive naturals, for example, 1326351 + ... + 1326386.
Almost surely, 247749266 is an apocalyptic number.
47749266 is an abundant number, since it is smaller than the sum of its proper divisors (55707516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47749266 is a wasteful number, since it uses less digits than its factorization.
47749266 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2652745 (or 2652742 counting only the distinct ones).
The product of its digits is 508032, while the sum is 45.
The square root of 47749266 is about 6910.0843699625. The cubic root of 47749266 is about 362.7902164223.
The spelling of 47749266 in words is "forty-seven million, seven hundred forty-nine thousand, two hundred sixty-six".
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