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5620 = 225281
BaseRepresentation
bin1010111110100
321201011
41113310
5134440
642004
722246
oct12764
97634
105620
11424a
123304
132734
142096
1519ea
hex15f4

5620 has 12 divisors (see below), whose sum is σ = 11844. Its totient is φ = 2240.

The previous prime is 5591. The next prime is 5623. The reversal of 5620 is 265.

5620 = T13 + T14 + ... + T32.

It can be written as a sum of positive squares in 2 ways, for example, as 2916 + 2704 = 54^2 + 52^2 .

It is a plaindrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 5620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5623) 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, 121 + ... + 160.

It is an arithmetic number, because the mean of its divisors is an integer number (987).

It is an amenable number.

5620 is an abundant number, since it is smaller than the sum of its proper divisors (6224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5922).

5620 is a wasteful number, since it uses less digits than its factorization.

5620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 5620 is about 74.9666592560. The cubic root of 5620 is about 17.7791954888.

Adding to 5620 its reverse (265), we get a palindrome (5885).

It can be divided in two parts, 5 and 620, that added together give a 4-th power (625 = 54).

The spelling of 5620 in words is "five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 281 562 1124 1405 2810 5620