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551462189 is a prime number
BaseRepresentation
bin100000110111101…
…010010100101101
31102102200011220112
4200313222110231
52112133242224
6130415425405
716444231325
oct4067522455
91372604815
10551462189
11263316783
12134825265
138a332bb5
1453350285
153363130e
hex20dea52d

551462189 has 2 divisors, whose sum is σ = 551462190. Its totient is φ = 551462188.

The previous prime is 551462141. The next prime is 551462207. The reversal of 551462189 is 981264155.

551462189 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., 493062025 + 58400164 = 22205^2 + 7642^2 .

It is a cyclic number.

It is not a de Polignac number, because 551462189 - 212 = 551458093 is a prime.

It is a super-2 number, since 2×5514621892 = 608221091793343442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551462389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275731094 + 275731095.

It is an arithmetic number, because the mean of its divisors is an integer number (275731095).

Almost surely, 2551462189 is an apocalyptic number.

It is an amenable number.

551462189 is a deficient number, since it is larger than the sum of its proper divisors (1).

551462189 is an equidigital number, since it uses as much as digits as its factorization.

551462189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 41.

The square root of 551462189 is about 23483.2320816365. The cubic root of 551462189 is about 820.0466902821.

The spelling of 551462189 in words is "five hundred fifty-one million, four hundred sixty-two thousand, one hundred eighty-nine".