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57472241 is a prime number
BaseRepresentation
bin1101101100111…
…1010011110001
311000010220002112
43123033103301
5104203102431
65411455105
71265335361
oct333172361
9130126075
1057472241
112a494822
12172b7495
13bba3558
1478c09a1
1550a3c2b
hex36cf4f1

57472241 has 2 divisors, whose sum is σ = 57472242. Its totient is φ = 57472240.

The previous prime is 57472231. The next prime is 57472279. The reversal of 57472241 is 14227475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52200625 + 5271616 = 7225^2 + 2296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57472241 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57472198 and 57472207.

It is not a weakly prime, because it can be changed into another prime (57472231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28736120 + 28736121.

It is an arithmetic number, because the mean of its divisors is an integer number (28736121).

Almost surely, 257472241 is an apocalyptic number.

It is an amenable number.

57472241 is a deficient number, since it is larger than the sum of its proper divisors (1).

57472241 is an equidigital number, since it uses as much as digits as its factorization.

57472241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 32.

The square root of 57472241 is about 7581.0448488319. The cubic root of 57472241 is about 385.9100101637.

The spelling of 57472241 in words is "fifty-seven million, four hundred seventy-two thousand, two hundred forty-one".