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12023525 = 52480941
BaseRepresentation
bin101101110111…
…011011100101
3211121212011202
4231313123211
511034223100
61105412245
7204125003
oct55673345
924555152
1012023525
1168724a8
12403a085
13264c917
14184da73
1510c77d5
hexb776e5

12023525 has 6 divisors (see below), whose sum is σ = 14909202. Its totient is φ = 9618800.

The previous prime is 12023513. The next prime is 12023569. The reversal of 12023525 is 52532021.

It can be written as a sum of positive squares in 3 ways, for example, as 1674436 + 10349089 = 1294^2 + 3217^2 .

It is not a de Polignac number, because 12023525 - 26 = 12023461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12023497 and 12023506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240446 + ... + 240495.

It is an arithmetic number, because the mean of its divisors is an integer number (2484867).

Almost surely, 212023525 is an apocalyptic number.

It is an amenable number.

12023525 is a deficient number, since it is larger than the sum of its proper divisors (2885677).

12023525 is an equidigital number, since it uses as much as digits as its factorization.

12023525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480951 (or 480946 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 12023525 is about 3467.4954938687. The cubic root of 12023525 is about 229.0923586444.

Adding to 12023525 its reverse (52532021), we get a palindrome (64555546).

The spelling of 12023525 in words is "twelve million, twenty-three thousand, five hundred twenty-five".

Divisors: 1 5 25 480941 2404705 12023525