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47271071 = 53891907
BaseRepresentation
bin1011010001010…
…0110010011111
310021221121201102
42310110302133
544100133241
64405103315
71112540351
oct264246237
9107847642
1047271071
1124757501
12139b7b3b
139a41263
1463c70d1
15423b39b
hex2d14c9f

47271071 has 4 divisors (see below), whose sum is σ = 48163032. Its totient is φ = 46379112.

The previous prime is 47271053. The next prime is 47271079. The reversal of 47271071 is 17017274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47271071 - 222 = 43076767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47271079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445901 + ... + 446006.

It is an arithmetic number, because the mean of its divisors is an integer number (12040758).

Almost surely, 247271071 is an apocalyptic number.

47271071 is a deficient number, since it is larger than the sum of its proper divisors (891961).

47271071 is an equidigital number, since it uses as much as digits as its factorization.

47271071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891960.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 47271071 is about 6875.3960613189. The cubic root of 47271071 is about 361.5750714363.

The spelling of 47271071 in words is "forty-seven million, two hundred seventy-one thousand, seventy-one".

Divisors: 1 53 891907 47271071