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52106523 = 3723107881
BaseRepresentation
bin1100011011000…
…1010100011011
310122001021201020
43012301110123
5101314402043
65100453523
71201620030
oct306612433
9118037636
1052106523
112745a447
121554a2a3
13aa45181
146cc5387
154893e83
hex31b151b

52106523 has 16 divisors (see below), whose sum is σ = 82853376. Its totient is φ = 28480320.

The previous prime is 52106521. The next prime is 52106611. The reversal of 52106523 is 32560125.

52106523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52106523 - 21 = 52106521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52106493 and 52106502.

It is not an unprimeable number, because it can be changed into a prime (52106521) 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, 53458 + ... + 54423.

It is an arithmetic number, because the mean of its divisors is an integer number (5178336).

Almost surely, 252106523 is an apocalyptic number.

52106523 is a deficient number, since it is larger than the sum of its proper divisors (30746853).

52106523 is a wasteful number, since it uses less digits than its factorization.

52106523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107914.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 52106523 is about 7218.4848133109. The cubic root of 52106523 is about 373.5058125398.

Adding to 52106523 its reverse (32560125), we get a palindrome (84666648).

The spelling of 52106523 in words is "fifty-two million, one hundred six thousand, five hundred twenty-three".

Divisors: 1 3 7 21 23 69 161 483 107881 323643 755167 2265501 2481263 7443789 17368841 52106523