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274712057 = 1697161881
BaseRepresentation
bin10000010111111…
…100010111111001
3201010220211002122
4100113330113321
51030311241212
643132011025
76544004534
oct2027742771
9633824078
10274712057
11131082264
1278000a75
1344bb5819
14286ada1b
15191b6272
hex105fc5f9

274712057 has 4 divisors (see below), whose sum is σ = 274875636. Its totient is φ = 274548480.

The previous prime is 274712047. The next prime is 274712059. The reversal of 274712057 is 750217472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111281401 + 163430656 = 10549^2 + 12784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-274712057 is a prime.

It is a super-2 number, since 2×2747120572 = 150933428522342498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274712059) 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 in 3 ways as a sum of consecutive naturals, for example, 79244 + ... + 82637.

It is an arithmetic number, because the mean of its divisors is an integer number (68718909).

Almost surely, 2274712057 is an apocalyptic number.

It is an amenable number.

274712057 is a deficient number, since it is larger than the sum of its proper divisors (163579).

274712057 is a wasteful number, since it uses less digits than its factorization.

274712057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163578.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 274712057 is about 16574.4398698719. The cubic root of 274712057 is about 650.0686767673.

The spelling of 274712057 in words is "two hundred seventy-four million, seven hundred twelve thousand, fifty-seven".

Divisors: 1 1697 161881 274712057