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52727405 = 5372571109
BaseRepresentation
bin1100100100100…
…0111001101101
310200012211101212
43021020321231
5101444234110
65122044205
71210114133
oct311107155
9120184355
1052727405
1127843975
12157a9665
13ac01963
147007753
154967e05
hex3248e6d

52727405 has 16 divisors (see below), whose sum is σ = 65294640. Its totient is φ = 40845312.

The previous prime is 52727377. The next prime is 52727429. The reversal of 52727405 is 50472725.

52727405 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 8 ways, for example, as 1304164 + 51423241 = 1142^2 + 7171^2 .

It is a cyclic number.

It is not a de Polignac number, because 52727405 - 26 = 52727341 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 46991 + ... + 48099.

It is an arithmetic number, because the mean of its divisors is an integer number (4080915).

Almost surely, 252727405 is an apocalyptic number.

It is an amenable number.

52727405 is a deficient number, since it is larger than the sum of its proper divisors (12567235).

52727405 is a wasteful number, since it uses less digits than its factorization.

52727405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 52727405 is about 7261.3638526106. The cubic root of 52727405 is about 374.9834777906.

The spelling of 52727405 in words is "fifty-two million, seven hundred twenty-seven thousand, four hundred five".

Divisors: 1 5 37 185 257 1109 1285 5545 9509 41033 47545 205165 285013 1425065 10545481 52727405