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47697 = 3131223
BaseRepresentation
bin1011101001010001
32102102120
423221101
53011242
61004453
7256026
oct135121
972376
1047697
1132921
1223729
1318930
141354d
15e1ec
hexba51

47697 has 8 divisors (see below), whose sum is σ = 68544. Its totient is φ = 29328.

The previous prime is 47681. The next prime is 47699. The reversal of 47697 is 79674.

47697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47697 - 24 = 47681 is a prime.

It is a d-powerful number, because it can be written as 44 + 7 + 66 + 93 + 72 .

47697 is a lucky number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47697.

It is not an unprimeable number, because it can be changed into a prime (47699) 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, 573 + ... + 650.

It is an arithmetic number, because the mean of its divisors is an integer number (8568).

247697 is an apocalyptic number.

It is an amenable number.

47697 is a deficient number, since it is larger than the sum of its proper divisors (20847).

47697 is a wasteful number, since it uses less digits than its factorization.

47697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239.

The product of its digits is 10584, while the sum is 33.

The square root of 47697 is about 218.3964285422. The cubic root of 47697 is about 36.2657798917.

The spelling of 47697 in words is "forty-seven thousand, six hundred ninety-seven".

Divisors: 1 3 13 39 1223 3669 15899 47697