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5601 = 31867
BaseRepresentation
bin1010111100001
321200110
41113201
5134401
641533
722221
oct12741
97613
105601
114232
1232a9
13271b
142081
1519d6
hex15e1

5601 has 4 divisors (see below), whose sum is σ = 7472. Its totient is φ = 3732.

The previous prime is 5591. The next prime is 5623. The reversal of 5601 is 1065.

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.

It is not a de Polignac number, because 5601 - 25 = 5569 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (5641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931 + ... + 936.

It is an arithmetic number, because the mean of its divisors is an integer number (1868).

25601 is an apocalyptic number.

It is an amenable number.

5601 is a deficient number, since it is larger than the sum of its proper divisors (1871).

5601 is a wasteful number, since it uses less digits than its factorization.

5601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 5601 is about 74.8398289683. The cubic root of 5601 is about 17.7591370005.

Adding to 5601 its reverse (1065), we get a palindrome (6666).

It can be divided in two parts, 560 and 1, that added together give a triangular number (561 = T33).

The spelling of 5601 in words is "five thousand, six hundred one".

Divisors: 1 3 1867 5601