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554142191 is a prime number
BaseRepresentation
bin100001000001111…
…000100111101111
31102121201100011212
4201001320213233
52113330022231
6130553105035
716506062621
oct4101704757
91377640155
10554142191
11264887259
121356b817b
138aa609b5
145384ac11
15339b042b
hex210789ef

554142191 has 2 divisors, whose sum is σ = 554142192. Its totient is φ = 554142190.

The previous prime is 554142181. The next prime is 554142209. The reversal of 554142191 is 191241455.

554142191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554142191 - 210 = 554141167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554142131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277071095 + 277071096.

It is an arithmetic number, because the mean of its divisors is an integer number (277071096).

Almost surely, 2554142191 is an apocalyptic number.

554142191 is a deficient number, since it is larger than the sum of its proper divisors (1).

554142191 is an equidigital number, since it uses as much as digits as its factorization.

554142191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 32.

The square root of 554142191 is about 23540.2249564442. The cubic root of 554142191 is about 821.3729680796.

The spelling of 554142191 in words is "five hundred fifty-four million, one hundred forty-two thousand, one hundred ninety-one".