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4897 = 5983
BaseRepresentation
bin1001100100001
320201101
41030201
5124042
634401
720164
oct11441
96641
104897
113752
122a01
1322c9
141adb
1516b7
hex1321

4897 has 4 divisors (see below), whose sum is σ = 5040. Its totient is φ = 4756.

The previous prime is 4889. The next prime is 4903. The reversal of 4897 is 7984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4897 - 23 = 4889 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18 + ... + 100.

It is an arithmetic number, because the mean of its divisors is an integer number (1260).

24897 is an apocalyptic number.

It is an amenable number.

4897 is a deficient number, since it is larger than the sum of its proper divisors (143).

4897 is an equidigital number, since it uses as much as digits as its factorization.

4897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142.

The product of its digits is 2016, while the sum is 28.

The square root of 4897 is about 69.9785681477. The cubic root of 4897 is about 16.9815254898.

It can be divided in two parts, 489 and 7, that added together give a triangular number (496 = T31).

The spelling of 4897 in words is "four thousand, eight hundred ninety-seven".

Divisors: 1 59 83 4897