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707131289 is a prime number
BaseRepresentation
bin101010001001011…
…111011110011001
31211021120222202202
4222021133132121
52422011200124
6154100135545
723344342154
oct5211373631
91737528682
10707131289
11333180227
121789975b5
13b36682a7
1469cb2c9b
15421305ae
hex2a25f799

707131289 has 2 divisors, whose sum is σ = 707131290. Its totient is φ = 707131288.

The previous prime is 707131283. The next prime is 707131307. The reversal of 707131289 is 982131707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 525097225 + 182034064 = 22915^2 + 13492^2 .

It is a cyclic number.

It is not a de Polignac number, because 707131289 - 212 = 707127193 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (707131283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353565644 + 353565645.

It is an arithmetic number, because the mean of its divisors is an integer number (353565645).

Almost surely, 2707131289 is an apocalyptic number.

It is an amenable number.

707131289 is a deficient number, since it is larger than the sum of its proper divisors (1).

707131289 is an equidigital number, since it uses as much as digits as its factorization.

707131289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 707131289 is about 26591.9403015275. The cubic root of 707131289 is about 890.9090106581.

The spelling of 707131289 in words is "seven hundred seven million, one hundred thirty-one thousand, two hundred eighty-nine".