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4087225 = 521759163
BaseRepresentation
bin1111100101110110111001
321200122121201
433211312321
52021242400
6223334201
746512052
oct17456671
97618551
104087225
11234187a
121451361
13b0149c
14785729
1555b06a
hex3e5db9

4087225 has 24 divisors (see below), whose sum is σ = 5490720. Its totient is φ = 3006720.

The previous prime is 4087217. The next prime is 4087229. The reversal of 4087225 is 5227804.

It is not a de Polignac number, because 4087225 - 23 = 4087217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4087193 and 4087202.

It is not an unprimeable number, because it can be changed into a prime (4087229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24994 + ... + 25156.

It is an arithmetic number, because the mean of its divisors is an integer number (228780).

Almost surely, 24087225 is an apocalyptic number.

It is an amenable number.

4087225 is a deficient number, since it is larger than the sum of its proper divisors (1403495).

4087225 is a wasteful number, since it uses less digits than its factorization.

4087225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 4087225 is about 2021.6886506087. The cubic root of 4087225 is about 159.8856604975.

The spelling of 4087225 in words is "four million, eighty-seven thousand, two hundred twenty-five".

Divisors: 1 5 17 25 59 85 163 295 425 815 1003 1475 2771 4075 5015 9617 13855 25075 48085 69275 163489 240425 817445 4087225