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684458051 is a prime number
BaseRepresentation
bin101000110011000…
…000000001000011
31202200221001221012
4220303000001003
52400210124201
6151530151135
722650540344
oct5063000103
91680831835
10684458051
113213a4512
121712824ab
13aba5a184
1466c900cb
15401525bb
hex28cc0043

684458051 has 2 divisors, whose sum is σ = 684458052. Its totient is φ = 684458050.

The previous prime is 684458041. The next prime is 684458057. The reversal of 684458051 is 150854486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 684458051 - 26 = 684457987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (684458057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342229025 + 342229026.

It is an arithmetic number, because the mean of its divisors is an integer number (342229026).

Almost surely, 2684458051 is an apocalyptic number.

684458051 is a deficient number, since it is larger than the sum of its proper divisors (1).

684458051 is an equidigital number, since it uses as much as digits as its factorization.

684458051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 684458051 is about 26162.1492045283. The cubic root of 684458051 is about 881.2834453313.

The spelling of 684458051 in words is "six hundred eighty-four million, four hundred fifty-eight thousand, fifty-one".