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54154993 is a prime number
BaseRepresentation
bin1100111010010…
…1011011110001
310202220100200111
43032211123301
5102330424433
65212421321
71225211164
oct316453361
9122810614
1054154993
11286294a2
1216177841
13b2b1699
147299adb
154b4adcd
hex33a56f1

54154993 has 2 divisors, whose sum is σ = 54154994. Its totient is φ = 54154992.

The previous prime is 54154981. The next prime is 54155011. The reversal of 54154993 is 39945145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51940849 + 2214144 = 7207^2 + 1488^2 .

It is a cyclic number.

It is not a de Polignac number, because 54154993 - 225 = 20600561 is a prime.

It is not a weakly prime, because it can be changed into another prime (54154913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27077496 + 27077497.

It is an arithmetic number, because the mean of its divisors is an integer number (27077497).

Almost surely, 254154993 is an apocalyptic number.

It is an amenable number.

54154993 is a deficient number, since it is larger than the sum of its proper divisors (1).

54154993 is an equidigital number, since it uses as much as digits as its factorization.

54154993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 54154993 is about 7359.0076097256. The cubic root of 54154993 is about 378.3375972057.

The spelling of 54154993 in words is "fifty-four million, one hundred fifty-four thousand, nine hundred ninety-three".