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8725375 = 5329283
BaseRepresentation
bin100001010010…
…001101111111
3121102021222001
4201102031333
54213203000
6511003131
7134110261
oct41221577
917367861
108725375
114a1a55a
122b094a7
131a66659
141231b31
15b7546a
hex85237f

8725375 has 24 divisors (see below), whose sum is σ = 11413584. Its totient is φ = 6658400.

The previous prime is 8725363. The next prime is 8725391. The reversal of 8725375 is 5735278.

It is not a de Polignac number, because 8725375 - 223 = 336767 is a prime.

It is a super-2 number, since 2×87253752 = 152264337781250, which contains 22 as substring.

It is a Duffinian number.

8725375 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105084 + ... + 105166.

It is an arithmetic number, because the mean of its divisors is an integer number (475566).

Almost surely, 28725375 is an apocalyptic number.

8725375 is a deficient number, since it is larger than the sum of its proper divisors (2688209).

8725375 is an equidigital number, since it uses as much as digits as its factorization.

8725375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 117 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 8725375 is about 2953.8745741822. The cubic root of 8725375 is about 205.8707754594.

The spelling of 8725375 in words is "eight million, seven hundred twenty-five thousand, three hundred seventy-five".

Divisors: 1 5 25 29 83 125 145 415 725 841 2075 2407 3625 4205 10375 12035 21025 60175 69803 105125 300875 349015 1745075 8725375