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5438228 = 2210912473
BaseRepresentation
bin10100101111101100010100
3101020021211212
4110233230110
52343010403
6312320552
764136615
oct24575424
911207755
105438228
113084904
1219a3158
1311853b3
14a17c0c
157264d8
hex52fb14

5438228 has 12 divisors (see below), whose sum is σ = 9604980. Its totient is φ = 2693952.

The previous prime is 5438227. The next prime is 5438231. The reversal of 5438228 is 8228345.

It can be written as a sum of positive squares in 2 ways, for example, as 3794704 + 1643524 = 1948^2 + 1282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5438194 and 5438203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438227) 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, 5801 + ... + 6672.

It is an arithmetic number, because the mean of its divisors is an integer number (800415).

Almost surely, 25438228 is an apocalyptic number.

It is an amenable number.

5438228 is a deficient number, since it is larger than the sum of its proper divisors (4166752).

5438228 is a wasteful number, since it uses less digits than its factorization.

5438228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586 (or 12584 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 5438228 is about 2332.0008576328. Note that the first 3 decimals coincide. The cubic root of 5438228 is about 175.8540887778.

The spelling of 5438228 in words is "five million, four hundred thirty-eight thousand, two hundred twenty-eight".

Divisors: 1 2 4 109 218 436 12473 24946 49892 1359557 2719114 5438228