Search a number
-
+
5618320 = 24570229
BaseRepresentation
bin10101011011101010010000
3101120102212221
4111123222100
52414241240
6320230424
765516641
oct25335220
911512787
105618320
113198144
121a6b414
131219366
14a636c8
1575ea4a
hex55ba90

5618320 has 20 divisors (see below), whose sum is σ = 13062780. Its totient is φ = 2247296.

The previous prime is 5618317. The next prime is 5618321. The reversal of 5618320 is 238165.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4460544 + 1157776 = 2112^2 + 1076^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35035 + ... + 35194.

It is an arithmetic number, because the mean of its divisors is an integer number (653139).

Almost surely, 25618320 is an apocalyptic number.

It is an amenable number.

5618320 is an abundant number, since it is smaller than the sum of its proper divisors (7444460).

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

5618320 is a wasteful number, since it uses less digits than its factorization.

5618320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70242 (or 70236 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 5618320 is about 2370.2995591275. The cubic root of 5618320 is about 177.7742371980.

The spelling of 5618320 in words is "five million, six hundred eighteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 70229 140458 280916 351145 561832 702290 1123664 1404580 2809160 5618320