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52424161 = 111746933
BaseRepresentation
bin1100011111111…
…0110111100001
310122122102102121
43013332313201
5101410033121
65111344241
71204412056
oct307766741
9118572377
1052424161
1127657059
1215682081
13ab2691a
146d6902d
154908141
hex31fede1

52424161 has 4 divisors (see below), whose sum is σ = 52472212. Its totient is φ = 52376112.

The previous prime is 52424159. The next prime is 52424167. The reversal of 52424161 is 16142425.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2085136 + 50339025 = 1444^2 + 7095^2 .

It is a cyclic number.

It is not a de Polignac number, because 52424161 - 21 = 52424159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52424167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22350 + ... + 24583.

It is an arithmetic number, because the mean of its divisors is an integer number (13118053).

Almost surely, 252424161 is an apocalyptic number.

It is an amenable number.

52424161 is a deficient number, since it is larger than the sum of its proper divisors (48051).

52424161 is a wasteful number, since it uses less digits than its factorization.

52424161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48050.

The product of its digits is 1920, while the sum is 25.

The square root of 52424161 is about 7240.4530935571. The cubic root of 52424161 is about 374.2632313324.

Adding to 52424161 its reverse (16142425), we get a palindrome (68566586).

The spelling of 52424161 in words is "fifty-two million, four hundred twenty-four thousand, one hundred sixty-one".

Divisors: 1 1117 46933 52424161