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53245043 = 383139021
BaseRepresentation
bin1100101100011…
…1010001110011
310201012010110122
43023013101303
5102112320133
65141120455
71214401235
oct313072163
9121163418
1053245043
1128067875
12159b912b
13b053457
147100255
154a1b498
hex32c7473

53245043 has 4 divisors (see below), whose sum is σ = 53384448. Its totient is φ = 53105640.

The previous prime is 53245021. The next prime is 53245067. The reversal of 53245043 is 34054235.

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

It is a cyclic number.

It is not a de Polignac number, because 53245043 - 26 = 53244979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53244043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69128 + ... + 69893.

It is an arithmetic number, because the mean of its divisors is an integer number (13346112).

Almost surely, 253245043 is an apocalyptic number.

53245043 is a deficient number, since it is larger than the sum of its proper divisors (139405).

53245043 is a wasteful number, since it uses less digits than its factorization.

53245043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139404.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 53245043 is about 7296.9201037150. The cubic root of 53245043 is about 376.2065858673.

Adding to 53245043 its reverse (34054235), we get a palindrome (87299278).

The spelling of 53245043 in words is "fifty-three million, two hundred forty-five thousand, forty-three".

Divisors: 1 383 139021 53245043