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523235225 = 5220929409
BaseRepresentation
bin11111001011111…
…110111110011001
31100110120002210102
4133023332332121
52032422011400
6123530425145
715652266062
oct3713767631
91313502712
10523235225
11249397407
121272921b5
138452bc56
144d6c3569
1530e079d5
hex1f2fef99

523235225 has 6 divisors (see below), whose sum is σ = 648811710. Its totient is φ = 418588160.

The previous prime is 523235221. The next prime is 523235233. The reversal of 523235225 is 522532325.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 52301824 + 470933401 = 7232^2 + 21701^2 .

It is not a de Polignac number, because 523235225 - 22 = 523235221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523235221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10464680 + ... + 10464729.

It is an arithmetic number, because the mean of its divisors is an integer number (108135285).

Almost surely, 2523235225 is an apocalyptic number.

It is an amenable number.

523235225 is a deficient number, since it is larger than the sum of its proper divisors (125576485).

523235225 is a wasteful number, since it uses less digits than its factorization.

523235225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20929419 (or 20929414 counting only the distinct ones).

The product of its digits is 18000, while the sum is 29.

The square root of 523235225 is about 22874.3355094744. The cubic root of 523235225 is about 805.8093912883.

The spelling of 523235225 in words is "five hundred twenty-three million, two hundred thirty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 20929409 104647045 523235225