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52728937 is a prime number
BaseRepresentation
bin1100100100100…
…1010001101001
310200012220111121
43021021101221
5101444311222
65122055241
71210121452
oct311112151
9120186447
1052728937
1127845038
12157aa521
13ac02571
147008129
1549685c7
hex3249469

52728937 has 2 divisors, whose sum is σ = 52728938. Its totient is φ = 52728936.

The previous prime is 52728913. The next prime is 52728983. The reversal of 52728937 is 73982725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43943641 + 8785296 = 6629^2 + 2964^2 .

It is a cyclic number.

It is not a de Polignac number, because 52728937 - 215 = 52696169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52728893 and 52728902.

It is not a weakly prime, because it can be changed into another prime (52728997) 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 as a sum of consecutive naturals, namely, 26364468 + 26364469.

It is an arithmetic number, because the mean of its divisors is an integer number (26364469).

Almost surely, 252728937 is an apocalyptic number.

It is an amenable number.

52728937 is a deficient number, since it is larger than the sum of its proper divisors (1).

52728937 is an equidigital number, since it uses as much as digits as its factorization.

52728937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 52728937 is about 7261.4693416691. The cubic root of 52728937 is about 374.9871094828.

The spelling of 52728937 in words is "fifty-two million, seven hundred twenty-eight thousand, nine hundred thirty-seven".