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48643 = 76949
BaseRepresentation
bin1011111000000011
32110201121
423320003
53024033
61013111
7261550
oct137003
973647
1048643
1133601
1224197
13191aa
1413a27
15e62d
hexbe03

48643 has 4 divisors (see below), whose sum is σ = 55600. Its totient is φ = 41688.

The previous prime is 48623. The next prime is 48647. The reversal of 48643 is 34684.

48643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 48643 - 25 = 48611 is a prime.

It is a super-2 number, since 2×486432 = 4732282898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48647) 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, 3468 + ... + 3481.

It is an arithmetic number, because the mean of its divisors is an integer number (13900).

248643 is an apocalyptic number.

48643 is a deficient number, since it is larger than the sum of its proper divisors (6957).

48643 is an equidigital number, since it uses as much as digits as its factorization.

48643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6956.

The product of its digits is 2304, while the sum is 25.

The square root of 48643 is about 220.5515812684. The cubic root of 48643 is about 36.5039715451.

It can be divided in two parts, 486 and 43, that added together give a square (529 = 232).

The spelling of 48643 in words is "forty-eight thousand, six hundred forty-three".

Divisors: 1 7 6949 48643