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274145017 is a prime number
BaseRepresentation
bin10000010101110…
…001111011111001
3201002212000021011
4100111301323321
51030140120032
643111513521
76536123416
oct2025617371
9632760234
10274145017
11130825233
12779888a1
1344a476b3
14285a310d
1519103247
hex10571ef9

274145017 has 2 divisors, whose sum is σ = 274145018. Its totient is φ = 274145016.

The previous prime is 274144993. The next prime is 274145051. The reversal of 274145017 is 710541472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211877136 + 62267881 = 14556^2 + 7891^2 .

It is a cyclic number.

It is not a de Polignac number, because 274145017 - 215 = 274112249 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 274145017.

It is not a weakly prime, because it can be changed into another prime (274145117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137072508 + 137072509.

It is an arithmetic number, because the mean of its divisors is an integer number (137072509).

Almost surely, 2274145017 is an apocalyptic number.

It is an amenable number.

274145017 is a deficient number, since it is larger than the sum of its proper divisors (1).

274145017 is an equidigital number, since it uses as much as digits as its factorization.

274145017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 274145017 is about 16557.3251764891. The cubic root of 274145017 is about 649.6210943542.

Adding to 274145017 its reverse (710541472), we get a palindrome (984686489).

The spelling of 274145017 in words is "two hundred seventy-four million, one hundred forty-five thousand, seventeen".