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52523251 = 11171571789
BaseRepresentation
bin1100100001011…
…1000011110011
310122211110100121
43020113003303
5101421221001
65113431111
71205304004
oct310270363
9118743317
1052523251
1127714550
121570b497
13ab5ca61
146d931ab
1549276a1
hex32170f3

52523251 has 16 divisors (see below), whose sum is σ = 61089120. Its totient is φ = 44628480.

The previous prime is 52523231. The next prime is 52523267. The reversal of 52523251 is 15232525.

It is a happy number.

52523251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52523251 - 213 = 52515059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52523221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28465 + ... + 30253.

It is an arithmetic number, because the mean of its divisors is an integer number (3818070).

Almost surely, 252523251 is an apocalyptic number.

52523251 is a deficient number, since it is larger than the sum of its proper divisors (8565869).

52523251 is a wasteful number, since it uses less digits than its factorization.

52523251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974.

The product of its digits is 3000, while the sum is 25.

The square root of 52523251 is about 7247.2926669205. The cubic root of 52523251 is about 374.4988885905.

Adding to 52523251 its reverse (15232525), we get a palindrome (67755776).

The spelling of 52523251 in words is "fifty-two million, five hundred twenty-three thousand, two hundred fifty-one".

Divisors: 1 11 17 157 187 1727 1789 2669 19679 29359 30413 280873 334543 3089603 4774841 52523251