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52111025 = 522084441
BaseRepresentation
bin1100011011001…
…0011010110001
310122001111212222
43012302122301
5101320023100
65100530425
71201636121
oct306623261
9118044788
1052111025
112746286a
1215550a15
13aa47235
146cc6c81
154895485
hex31b26b1

52111025 has 6 divisors (see below), whose sum is σ = 64617702. Its totient is φ = 41688800.

The previous prime is 52111009. The next prime is 52111027. The reversal of 52111025 is 52011125.

52111025 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 3 ways, for example, as 2436721 + 49674304 = 1561^2 + 7048^2 .

It is not a de Polignac number, because 52111025 - 24 = 52111009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52110994 and 52111012.

It is not an unprimeable number, because it can be changed into a prime (52111027) 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 5 ways as a sum of consecutive naturals, for example, 1042196 + ... + 1042245.

It is an arithmetic number, because the mean of its divisors is an integer number (10769617).

Almost surely, 252111025 is an apocalyptic number.

It is an amenable number.

52111025 is a deficient number, since it is larger than the sum of its proper divisors (12506677).

52111025 is a wasteful number, since it uses less digits than its factorization.

52111025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084451 (or 2084446 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 52111025 is about 7218.7966448709. The cubic root of 52111025 is about 373.5165691888.

Adding to 52111025 its product of nonzero digits (100), we get a palindrome (52111125).

The spelling of 52111025 in words is "fifty-two million, one hundred eleven thousand, twenty-five".

Divisors: 1 5 25 2084441 10422205 52111025