Search a number
-
+
54158389 is a prime number
BaseRepresentation
bin1100111010011…
…0010000110101
310202220112100021
43032212100311
5102331032024
65212445141
71225224115
oct316462065
9122815307
1054158389
1128630aaa
12161797b1
13b2b30ac
14729b045
154b4bde4
hex33a6435

54158389 has 2 divisors, whose sum is σ = 54158390. Its totient is φ = 54158388.

The previous prime is 54158347. The next prime is 54158407. The reversal of 54158389 is 98385145.

54158389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54140164 + 18225 = 7358^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 54158389 - 211 = 54156341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54158339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27079194 + 27079195.

It is an arithmetic number, because the mean of its divisors is an integer number (27079195).

Almost surely, 254158389 is an apocalyptic number.

It is an amenable number.

54158389 is a deficient number, since it is larger than the sum of its proper divisors (1).

54158389 is an equidigital number, since it uses as much as digits as its factorization.

54158389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 43.

The square root of 54158389 is about 7359.2383437418. The cubic root of 54158389 is about 378.3455054185.

The spelling of 54158389 in words is "fifty-four million, one hundred fifty-eight thousand, three hundred eighty-nine".