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4188225 = 35255843
BaseRepresentation
bin1111111110100001000001
321212210011110
433332201001
52033010400
6225433533
750412366
oct17764101
97783143
104188225
112400748
12149b8a9
13b38452
147b046d
1557ae50
hex3fe841

4188225 has 12 divisors (see below), whose sum is σ = 6924656. Its totient is φ = 2233680.

The previous prime is 4188221. The next prime is 4188257. The reversal of 4188225 is 5228814.

It is not a de Polignac number, because 4188225 - 22 = 4188221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4188192 and 4188201.

It is not an unprimeable number, because it can be changed into a prime (4188221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27847 + ... + 27996.

Almost surely, 24188225 is an apocalyptic number.

It is an amenable number.

4188225 is a deficient number, since it is larger than the sum of its proper divisors (2736431).

4188225 is a wasteful number, since it uses less digits than its factorization.

4188225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55856 (or 55851 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 4188225 is about 2046.5153309956. The cubic root of 4188225 is about 161.1919447278.

The spelling of 4188225 in words is "four million, one hundred eighty-eight thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 55843 167529 279215 837645 1396075 4188225