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53338289 = 277192557
BaseRepresentation
bin1100101101111…
…0000010110001
310201100212101012
43023132002301
5102123311124
65143120305
71215240134
oct313360261
9121325335
1053338289
1128120934
1215a43095
13b086a24
14712621b
154a38e0e
hex32de0b1

53338289 has 4 divisors (see below), whose sum is σ = 53531124. Its totient is φ = 53145456.

The previous prime is 53338277. The next prime is 53338303. The reversal of 53338289 is 98283335.

53338289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98283335 = 519656667.

It can be written as a sum of positive squares in 2 ways, for example, as 6210064 + 47128225 = 2492^2 + 6865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53338289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53338249) 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 3 ways as a sum of consecutive naturals, for example, 96002 + ... + 96555.

It is an arithmetic number, because the mean of its divisors is an integer number (13382781).

Almost surely, 253338289 is an apocalyptic number.

It is an amenable number.

53338289 is a deficient number, since it is larger than the sum of its proper divisors (192835).

53338289 is a wasteful number, since it uses less digits than its factorization.

53338289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192834.

The product of its digits is 155520, while the sum is 41.

The square root of 53338289 is about 7303.3067168236. The cubic root of 53338289 is about 376.4260698435.

The spelling of 53338289 in words is "fifty-three million, three hundred thirty-eight thousand, two hundred eighty-nine".

Divisors: 1 277 192557 53338289