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2174214397 is a prime number
BaseRepresentation
bin1000000110010111…
…1110000011111101
312121112011112110011
42001211332003331
513423044330042
6555424543221
7104610342325
oct20145760375
95545145404
102174214397
11a16318503
12508181b11
132885a39c4
14168a88285
15cad26a17
hex8197e0fd

2174214397 has 2 divisors, whose sum is σ = 2174214398. Its totient is φ = 2174214396.

The previous prime is 2174214377. The next prime is 2174214431. The reversal of 2174214397 is 7934124712.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2011881316 + 162333081 = 44854^2 + 12741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2174214397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2174214377) 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, 1087107198 + 1087107199.

It is an arithmetic number, because the mean of its divisors is an integer number (1087107199).

Almost surely, 22174214397 is an apocalyptic number.

It is an amenable number.

2174214397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2174214397 is an equidigital number, since it uses as much as digits as its factorization.

2174214397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 2174214397 is about 46628.4719565203. The cubic root of 2174214397 is about 1295.4901712738.

The spelling of 2174214397 in words is "two billion, one hundred seventy-four million, two hundred fourteen thousand, three hundred ninety-seven".