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54342389 is a prime number
BaseRepresentation
bin1100111101001…
…1001011110101
310210020212202002
43033103023311
5102402424024
65220425045
71226621423
oct317231365
9123225662
1054342389
1128747272
1216248185
13b348a7a
147308113
154b866ae
hex33d32f5

54342389 has 2 divisors, whose sum is σ = 54342390. Its totient is φ = 54342388.

The previous prime is 54342373. The next prime is 54342397. The reversal of 54342389 is 98324345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36844900 + 17497489 = 6070^2 + 4183^2 .

It is a cyclic number.

It is not a de Polignac number, because 54342389 - 24 = 54342373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54342329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27171194 + 27171195.

It is an arithmetic number, because the mean of its divisors is an integer number (27171195).

Almost surely, 254342389 is an apocalyptic number.

It is an amenable number.

54342389 is a deficient number, since it is larger than the sum of its proper divisors (1).

54342389 is an equidigital number, since it uses as much as digits as its factorization.

54342389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 54342389 is about 7371.7290373426. The cubic root of 54342389 is about 378.7734901035.

The spelling of 54342389 in words is "fifty-four million, three hundred forty-two thousand, three hundred eighty-nine".