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5128218 = 233234129
BaseRepresentation
bin10011100100000000011010
3100122112121000
4103210000122
52303100333
6301525430
761406034
oct23440032
910575530
105128218
1129929a7
121873876
1310a7264
14976c54
156b4713
hex4e401a

5128218 has 32 divisors (see below), whose sum is σ = 11894400. Its totient is φ = 1634688.

The previous prime is 5128213. The next prime is 5128219. The reversal of 5128218 is 8128215.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5128191 and 5128200.

It is not an unprimeable number, because it can be changed into a prime (5128213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (371700).

Almost surely, 25128218 is an apocalyptic number.

5128218 is an abundant number, since it is smaller than the sum of its proper divisors (6766182).

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

5128218 is a wasteful number, since it uses less digits than its factorization.

5128218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163 (or 4157 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 5128218 is about 2264.5569103028. The cubic root of 5128218 is about 172.4469402026.

The spelling of 5128218 in words is "five million, one hundred twenty-eight thousand, two hundred eighteen".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 207 414 621 1242 4129 8258 12387 24774 37161 74322 94967 111483 189934 222966 284901 569802 854703 1709406 2564109 5128218