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53242545 = 357149993
BaseRepresentation
bin1100101100011…
…0101010110001
310201012000001010
43023012222301
5102112230140
65141101133
71214361036
oct313065261
9121160033
1053242545
1128065a04
12159b77a9
13b052285
1470dd38d
154a1a880
hex32c6ab1

53242545 has 16 divisors (see below), whose sum is σ = 86389632. Its totient is φ = 27995520.

The previous prime is 53242543. The next prime is 53242547. The reversal of 53242545 is 54524235.

53242545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53242543) and next prime (53242547).

It is not a de Polignac number, because 53242545 - 21 = 53242543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53242543) 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 15 ways as a sum of consecutive naturals, for example, 23932 + ... + 26061.

It is an arithmetic number, because the mean of its divisors is an integer number (5399352).

Almost surely, 253242545 is an apocalyptic number.

It is an amenable number.

53242545 is a deficient number, since it is larger than the sum of its proper divisors (33147087).

53242545 is a wasteful number, since it uses less digits than its factorization.

53242545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50072.

The product of its digits is 24000, while the sum is 30.

The square root of 53242545 is about 7296.7489336005. The cubic root of 53242545 is about 376.2007025105.

The spelling of 53242545 in words is "fifty-three million, two hundred forty-two thousand, five hundred forty-five".

Divisors: 1 3 5 15 71 213 355 1065 49993 149979 249965 749895 3549503 10648509 17747515 53242545