Search a number
-
+
5418220 = 2251391949
BaseRepresentation
bin10100101010110011101100
3101012021101211
4110222303230
52341340340
6312044204
764024363
oct24526354
911167354
105418220
113070875
121993664
131179262
14a107da
157205ea
hex52acec

5418220 has 24 divisors (see below), whose sum is σ = 11466000. Its totient is φ = 2150592.

The previous prime is 5418181. The next prime is 5418221. The reversal of 5418220 is 228145.

It is a junction number, because it is equal to n+sod(n) for n = 5418191 and 5418200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5418221) 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, 1806 + ... + 3754.

It is an arithmetic number, because the mean of its divisors is an integer number (477750).

Almost surely, 25418220 is an apocalyptic number.

It is an amenable number.

5418220 is an abundant number, since it is smaller than the sum of its proper divisors (6047780).

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

5418220 is a wasteful number, since it uses less digits than its factorization.

5418220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097 (or 2095 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 5418220 is about 2327.7070262385. The cubic root of 5418220 is about 175.6381598359.

The spelling of 5418220 in words is "five million, four hundred eighteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 1949 2780 3898 7796 9745 19490 38980 270911 541822 1083644 1354555 2709110 5418220