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52748191 is a prime number
BaseRepresentation
bin1100100100110…
…1111110011111
310200020212220201
43021031332133
5102000420231
65122324331
71210231546
oct311157637
9120225821
1052748191
1127858551
12157b96a7
13ac0b262
14701115d
15496e161
hex324df9f

52748191 has 2 divisors, whose sum is σ = 52748192. Its totient is φ = 52748190.

The previous prime is 52748167. The next prime is 52748207. The reversal of 52748191 is 19184725.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52748191 - 215 = 52715423 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52748191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52748141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26374095 + 26374096.

It is an arithmetic number, because the mean of its divisors is an integer number (26374096).

Almost surely, 252748191 is an apocalyptic number.

52748191 is a deficient number, since it is larger than the sum of its proper divisors (1).

52748191 is an equidigital number, since it uses as much as digits as its factorization.

52748191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 37.

The square root of 52748191 is about 7262.7949854033. The cubic root of 52748191 is about 375.0327461775.

The spelling of 52748191 in words is "fifty-two million, seven hundred forty-eight thousand, one hundred ninety-one".