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8989625 = 5371917
BaseRepresentation
bin100010010010…
…101110111001
3121220201110002
4202102232321
54300132000
6520402345
7136260551
oct42225671
917821402
108989625
115090047
1230163b5
131b29a08
1412a0161
15bc88d5
hex892bb9

8989625 has 8 divisors (see below), whose sum is σ = 11219208. Its totient is φ = 7191600.

The previous prime is 8989621. The next prime is 8989627. The reversal of 8989625 is 5269898.

8989625 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 946729 + 8042896 = 973^2 + 2836^2 .

It is not a de Polignac number, because 8989625 - 22 = 8989621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8989625.

It is not an unprimeable number, because it can be changed into a prime (8989621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35834 + ... + 36083.

It is an arithmetic number, because the mean of its divisors is an integer number (1402401).

Almost surely, 28989625 is an apocalyptic number.

It is an amenable number.

8989625 is a deficient number, since it is larger than the sum of its proper divisors (2229583).

8989625 is an equidigital number, since it uses as much as digits as its factorization.

8989625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71932 (or 71922 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 8989625 is about 2998.2703347097. The cubic root of 8989625 is about 207.9284224251.

The spelling of 8989625 in words is "eight million, nine hundred eighty-nine thousand, six hundred twenty-five".

Divisors: 1 5 25 125 71917 359585 1797925 8989625