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53238449 = 1137130807
BaseRepresentation
bin1100101100010…
…1101010110001
310201011210102102
43023011222301
5102112112244
65141030145
71214343065
oct313055261
9121153372
1053238449
1128062920
12159b5355
13b050454
1470dbaa5
154a1954e
hex32c5ab1

53238449 has 8 divisors (see below), whose sum is σ = 59648448. Its totient is φ = 47090160.

The previous prime is 53238433. The next prime is 53238457. The reversal of 53238449 is 94483235.

53238449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53238449 - 24 = 53238433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53238469) 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 7 ways as a sum of consecutive naturals, for example, 64997 + ... + 65810.

It is an arithmetic number, because the mean of its divisors is an integer number (7456056).

Almost surely, 253238449 is an apocalyptic number.

It is an amenable number.

53238449 is a deficient number, since it is larger than the sum of its proper divisors (6409999).

53238449 is a wasteful number, since it uses less digits than its factorization.

53238449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130855.

The product of its digits is 103680, while the sum is 38.

The square root of 53238449 is about 7296.4682552588. The cubic root of 53238449 is about 376.1910551030.

The spelling of 53238449 in words is "fifty-three million, two hundred thirty-eight thousand, four hundred forty-nine".

Divisors: 1 11 37 407 130807 1438877 4839859 53238449