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734145857 is a prime number
BaseRepresentation
bin101011110000100…
…010110101000001
31220011102110210022
4223300202311001
53000420131412
6200503143225
724123064634
oct5360426501
91804373708
10734145857
11347451715
12185a44b15
13b9136443
146d705c1b
15446b9a72
hex2bc22d41

734145857 has 2 divisors, whose sum is σ = 734145858. Its totient is φ = 734145856.

The previous prime is 734145851. The next prime is 734145887. The reversal of 734145857 is 758541437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373107856 + 361038001 = 19316^2 + 19001^2 .

It is an emirp because it is prime and its reverse (758541437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 734145857 - 210 = 734144833 is a prime.

It is a super-4 number, since 4×7341458574 (a number of 37 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (734145851) 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, 367072928 + 367072929.

It is an arithmetic number, because the mean of its divisors is an integer number (367072929).

Almost surely, 2734145857 is an apocalyptic number.

It is an amenable number.

734145857 is a deficient number, since it is larger than the sum of its proper divisors (1).

734145857 is an equidigital number, since it uses as much as digits as its factorization.

734145857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 44.

The square root of 734145857 is about 27095.1260746283. The cubic root of 734145857 is about 902.1126734239.

The spelling of 734145857 in words is "seven hundred thirty-four million, one hundred forty-five thousand, eight hundred fifty-seven".