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274949929 is a prime number
BaseRepresentation
bin10000011000110…
…110011100101001
3201011100220101201
4100120312130221
51030341344204
643141044201
76546015202
oct2030663451
9634326351
10274949929
11131224a51
12780b6661
1344c69b87
14287325a9
15192119a4
hex10636729

274949929 has 2 divisors, whose sum is σ = 274949930. Its totient is φ = 274949928.

The previous prime is 274949903. The next prime is 274949947. The reversal of 274949929 is 929949472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157552704 + 117397225 = 12552^2 + 10835^2 .

It is a cyclic number.

It is not a de Polignac number, because 274949929 - 25 = 274949897 is a prime.

It is a super-3 number, since 3×2749499293 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 274949929.

It is not a weakly prime, because it can be changed into another prime (274949989) 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, 137474964 + 137474965.

It is an arithmetic number, because the mean of its divisors is an integer number (137474965).

Almost surely, 2274949929 is an apocalyptic number.

It is an amenable number.

274949929 is a deficient number, since it is larger than the sum of its proper divisors (1).

274949929 is an equidigital number, since it uses as much as digits as its factorization.

274949929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 55.

The square root of 274949929 is about 16581.6141855973. The cubic root of 274949929 is about 650.2562532032.

The spelling of 274949929 in words is "two hundred seventy-four million, nine hundred forty-nine thousand, nine hundred twenty-nine".