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274980197 is a prime number
BaseRepresentation
bin10000011000111…
…101110101100101
3201011102102220202
4100120331311211
51030343331242
643141440245
76546202352
oct2030756545
9634372822
10274980197
11131245768
1278110085
1344c7a89b
142873d629
151921a932
hex1063dd65

274980197 has 2 divisors, whose sum is σ = 274980198. Its totient is φ = 274980196.

The previous prime is 274980191. The next prime is 274980229. The reversal of 274980197 is 791089472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267845956 + 7134241 = 16366^2 + 2671^2 .

It is a cyclic number.

It is not a de Polignac number, because 274980197 - 26 = 274980133 is a prime.

It is a super-2 number, since 2×2749801972 = 151228217484317618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274980191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137490098 + 137490099.

It is an arithmetic number, because the mean of its divisors is an integer number (137490099).

Almost surely, 2274980197 is an apocalyptic number.

It is an amenable number.

274980197 is a deficient number, since it is larger than the sum of its proper divisors (1).

274980197 is an equidigital number, since it uses as much as digits as its factorization.

274980197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 274980197 is about 16582.5268581118. The cubic root of 274980197 is about 650.2801135889.

The spelling of 274980197 in words is "two hundred seventy-four million, nine hundred eighty thousand, one hundred ninety-seven".