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4865 = 57139
BaseRepresentation
bin1001100000001
320200012
41030001
5123430
634305
720120
oct11401
96605
104865
113723
122995
1322a3
141ab7
151695
hex1301

4865 has 8 divisors (see below), whose sum is σ = 6720. Its totient is φ = 3312.

The previous prime is 4861. The next prime is 4871. The reversal of 4865 is 5684.

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

It is a cyclic number.

It is not a de Polignac number, because 4865 - 22 = 4861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4865.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4865.

It is not an unprimeable number, because it can be changed into a prime (4861) 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, 35 + ... + 104.

It is an arithmetic number, because the mean of its divisors is an integer number (840).

It is a Proth number, since it is equal to 19 ⋅ 28 + 1 and 19 < 28.

24865 is an apocalyptic number.

It is an amenable number.

4865 is a deficient number, since it is larger than the sum of its proper divisors (1855).

4865 is a wasteful number, since it uses less digits than its factorization.

4865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151.

The product of its digits is 960, while the sum is 23.

The square root of 4865 is about 69.7495519699. The cubic root of 4865 is about 16.9444553933.

The spelling of 4865 in words is "four thousand, eight hundred sixty-five".

Divisors: 1 5 7 35 139 695 973 4865