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52552413 = 3216933449
BaseRepresentation
bin1100100001111…
…0001011011101
310122212221100200
43020132023131
5101423134123
65114214113
71205455014
oct310361335
9118787320
1052552413
1127734451
1215724339
13ab70104
146d9da7b
154931143
hex321e2dd

52552413 has 12 divisors (see below), whose sum is σ = 75975900. Its totient is φ = 35004096.

The previous prime is 52552411. The next prime is 52552417. The reversal of 52552413 is 31425525.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6827769 + 45724644 = 2613^2 + 6762^2 .

It is not a de Polignac number, because 52552413 - 21 = 52552411 is a prime.

It is a super-2 number, since 2×525524132 = 5523512224245138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52552411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13513 + ... + 16961.

It is an arithmetic number, because the mean of its divisors is an integer number (6331325).

Almost surely, 252552413 is an apocalyptic number.

It is an amenable number.

52552413 is a deficient number, since it is larger than the sum of its proper divisors (23423487).

52552413 is a wasteful number, since it uses less digits than its factorization.

52552413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148 (or 5145 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52552413 is about 7249.3043114495. The cubic root of 52552413 is about 374.5681856211.

Adding to 52552413 its reverse (31425525), we get a palindrome (83977938).

The spelling of 52552413 in words is "fifty-two million, five hundred fifty-two thousand, four hundred thirteen".

Divisors: 1 3 9 1693 3449 5079 10347 15237 31041 5839157 17517471 52552413