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12010525 = 521732777
BaseRepresentation
bin101101110100…
…010000011101
3211121012100021
4231310100131
511033314100
61105232141
7204042052
oct55642035
924535307
1012010525
11686375a
124032651
132646a27
141849029
1510c3a1a
hexb7441d

12010525 has 12 divisors (see below), whose sum is σ = 14984532. Its totient is φ = 9549440.

The previous prime is 12010519. The next prime is 12010529. The reversal of 12010525 is 52501021.

12010525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 101124 + 11909401 = 318^2 + 3451^2 .

It is not a de Polignac number, because 12010525 - 29 = 12010013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010499 and 12010508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010529) 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, 2937 + ... + 5713.

It is an arithmetic number, because the mean of its divisors is an integer number (1248711).

Almost surely, 212010525 is an apocalyptic number.

It is an amenable number.

12010525 is a deficient number, since it is larger than the sum of its proper divisors (2974007).

12010525 is a wasteful number, since it uses less digits than its factorization.

12010525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960 (or 2955 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 12010525 is about 3465.6204350736. The cubic root of 12010525 is about 229.0097629369.

Adding to 12010525 its reverse (52501021), we get a palindrome (64511546).

The spelling of 12010525 in words is "twelve million, ten thousand, five hundred twenty-five".

Divisors: 1 5 25 173 865 2777 4325 13885 69425 480421 2402105 12010525