Base | Representation |
---|---|
bin | 1011011011000… |
… | …1010000100110 |
3 | 10100011011212120 |
4 | 2312301100212 |
5 | 44231140344 |
6 | 4430530410 |
7 | 1121150025 |
oct | 266612046 |
9 | 110134776 |
10 | 47911974 |
11 | 25054a80 |
12 | 14066a06 |
13 | 9c06ba6 |
14 | 65128bc |
15 | 4316219 |
hex | 2db1426 |
47911974 has 16 divisors (see below), whose sum is σ = 104535360. Its totient is φ = 14518760.
The previous prime is 47911961. The next prime is 47911979.
47911974 is nontrivially palindromic in base 10.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47911979) 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, 362904 + ... + 363035.
It is an arithmetic number, because the mean of its divisors is an integer number (6533460).
Almost surely, 247911974 is an apocalyptic number.
47911974 is an abundant number, since it is smaller than the sum of its proper divisors (56623386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47911974 is a wasteful number, since it uses less digits than its factorization.
47911974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 725955.
The product of its digits is 63504, while the sum is 42.
The square root of 47911974 is about 6921.8475857245. The cubic root of 47911974 is about 363.2018244893.
The spelling of 47911974 in words is "forty-seven million, nine hundred eleven thousand, nine hundred seventy-four".
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