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47140005 = 3511285697
BaseRepresentation
bin1011001111010…
…0110010100101
310021200221221010
42303310302211
544031440010
64402212433
71111453263
oct263646245
9107627833
1047140005
1124677a90
1213954119
1399c66c3
146391433
154212620
hex2cf4ca5

47140005 has 16 divisors (see below), whose sum is σ = 82281024. Its totient is φ = 22855680.

The previous prime is 47140003. The next prime is 47140039. The reversal of 47140005 is 50004174.

It is not a de Polignac number, because 47140005 - 21 = 47140003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47140001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142684 + ... + 143013.

It is an arithmetic number, because the mean of its divisors is an integer number (5142564).

Almost surely, 247140005 is an apocalyptic number.

It is an amenable number.

47140005 is a deficient number, since it is larger than the sum of its proper divisors (35141019).

47140005 is a wasteful number, since it uses less digits than its factorization.

47140005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285716.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 47140005 is about 6865.8579216293. The cubic root of 47140005 is about 361.2405887484.

Adding to 47140005 its reverse (50004174), we get a palindrome (97144179).

The spelling of 47140005 in words is "forty-seven million, one hundred forty thousand, five".

Divisors: 1 3 5 11 15 33 55 165 285697 857091 1428485 3142667 4285455 9428001 15713335 47140005