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52645060 = 22513202481
BaseRepresentation
bin1100100011010…
…0110011000100
310200001122110001
43020310303010
5101434120220
65120211044
71206322066
oct310646304
9120048401
1052645060
1127798016
1215769a84
13aba3330
146dc5736
15494d80a
hex3234cc4

52645060 has 24 divisors (see below), whose sum is σ = 119059416. Its totient is φ = 19438080.

The previous prime is 52645027. The next prime is 52645081. The reversal of 52645060 is 6054625.

It can be written as a sum of positive squares in 4 ways, for example, as 111556 + 52533504 = 334^2 + 7248^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100981 + ... + 101500.

It is an arithmetic number, because the mean of its divisors is an integer number (4960809).

Almost surely, 252645060 is an apocalyptic number.

It is an amenable number.

52645060 is an abundant number, since it is smaller than the sum of its proper divisors (66414356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52645060 is a wasteful number, since it uses less digits than its factorization.

52645060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202503 (or 202501 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 52645060 is about 7255.6915590452. The cubic root of 52645060 is about 374.7881707352.

Adding to 52645060 its reverse (6054625), we get a palindrome (58699685).

The spelling of 52645060 in words is "fifty-two million, six hundred forty-five thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 202481 404962 809924 1012405 2024810 2632253 4049620 5264506 10529012 13161265 26322530 52645060