Base | Representation |
---|---|
bin | 1011001110011… |
… | …0011010000010 |
3 | 10021120222010002 |
4 | 2303212122002 |
5 | 44023043330 |
6 | 4401040002 |
7 | 1111116440 |
oct | 263463202 |
9 | 107528102 |
10 | 47081090 |
11 | 246377a1 |
12 | 13926002 |
13 | 99a5944 |
14 | 6377b90 |
15 | 41eee45 |
hex | 2ce6682 |
47081090 has 16 divisors (see below), whose sum is σ = 96852672. Its totient is φ = 16142064.
The previous prime is 47081071. The next prime is 47081093. The reversal of 47081090 is 9018074.
It is a super-3 number, since 3×470810903 (a number of 24 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (47081093) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336224 + ... + 336363.
It is an arithmetic number, because the mean of its divisors is an integer number (6053292).
Almost surely, 247081090 is an apocalyptic number.
47081090 is an abundant number, since it is smaller than the sum of its proper divisors (49771582).
47081090 is a wasteful number, since it uses less digits than its factorization.
47081090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 672601.
The product of its (nonzero) digits is 2016, while the sum is 29.
The square root of 47081090 is about 6861.5661477537. The cubic root of 47081090 is about 361.0900346586.
The spelling of 47081090 in words is "forty-seven million, eighty-one thousand, ninety".
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