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52638339 = 3131349701
BaseRepresentation
bin1100100011001…
…1001010000011
310200001022020010
43020303022003
5101433411324
65120120003
71206263355
oct310631203
9120038203
1052638339
1127792a66
1215766003
13aba0260
146dc30d5
15494b829
hex3233283

52638339 has 8 divisors (see below), whose sum is σ = 75583312. Its totient is φ = 32392800.

The previous prime is 52638337. The next prime is 52638343. The reversal of 52638339 is 93383625.

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

It is not a de Polignac number, because 52638339 - 21 = 52638337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1349701 = 52638339 / (5 + 2 + 6 + 3 + 8 + 3 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52638297 and 52638306.

It is not an unprimeable number, because it can be changed into a prime (52638337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674812 + ... + 674889.

It is an arithmetic number, because the mean of its divisors is an integer number (9447914).

Almost surely, 252638339 is an apocalyptic number.

52638339 is a deficient number, since it is larger than the sum of its proper divisors (22944973).

52638339 is a wasteful number, since it uses less digits than its factorization.

52638339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349717.

The product of its digits is 116640, while the sum is 39.

The square root of 52638339 is about 7255.2283906160. The cubic root of 52638339 is about 374.7722207835.

The spelling of 52638339 in words is "fifty-two million, six hundred thirty-eight thousand, three hundred thirty-nine".

Divisors: 1 3 13 39 1349701 4049103 17546113 52638339