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54393193 is a prime number
BaseRepresentation
bin1100111101111…
…1100101101001
310210100110102201
43033133211221
5102411040233
65221500201
71230222511
oct317374551
9123313381
1054393193
1128781458
1216271661
13b365c2a
14731c841
154b9677d
hex33df969

54393193 has 2 divisors, whose sum is σ = 54393194. Its totient is φ = 54393192.

The previous prime is 54393191. The next prime is 54393197. The reversal of 54393193 is 39139345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42094144 + 12299049 = 6488^2 + 3507^2 .

It is a cyclic number.

It is not a de Polignac number, because 54393193 - 21 = 54393191 is a prime.

Together with 54393191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54393191) 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, 27196596 + 27196597.

It is an arithmetic number, because the mean of its divisors is an integer number (27196597).

Almost surely, 254393193 is an apocalyptic number.

It is an amenable number.

54393193 is a deficient number, since it is larger than the sum of its proper divisors (1).

54393193 is an equidigital number, since it uses as much as digits as its factorization.

54393193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 37.

The square root of 54393193 is about 7375.1740996400. The cubic root of 54393193 is about 378.8914901590.

The spelling of 54393193 in words is "fifty-four million, three hundred ninety-three thousand, one hundred ninety-three".