Base | Representation |
---|---|
bin | 1011010011101… |
… | …0111001000100 |
3 | 10022020112210202 |
4 | 2310322321010 |
5 | 44120132030 |
6 | 4412310032 |
7 | 1114060355 |
oct | 264727104 |
9 | 108215722 |
10 | 47427140 |
11 | 24853792 |
12 | 13a72318 |
13 | 9a972c7 |
14 | 6427d2c |
15 | 426c745 |
hex | 2d3ae44 |
47427140 has 24 divisors (see below), whose sum is σ = 99731520. Its totient is φ = 18945248.
The previous prime is 47427101. The next prime is 47427143. The reversal of 47427140 is 4172474.
47427140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (47427143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22241 + ... + 24279.
It is an arithmetic number, because the mean of its divisors is an integer number (4155480).
Almost surely, 247427140 is an apocalyptic number.
It is an amenable number.
47427140 is an abundant number, since it is smaller than the sum of its proper divisors (52304380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47427140 is a wasteful number, since it uses less digits than its factorization.
47427140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3211 (or 3209 counting only the distinct ones).
The product of its (nonzero) digits is 6272, while the sum is 29.
The square root of 47427140 is about 6886.7365275579. The cubic root of 47427140 is about 361.9725567548.
The spelling of 47427140 in words is "forty-seven million, four hundred twenty-seven thousand, one hundred forty".
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