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57266401 is a prime number
BaseRepresentation
bin1101101001110…
…1000011100001
310222202102201211
43122131003201
5104130011101
65403230121
71263520303
oct332350341
9128672654
1057266401
112a364105
1217218341
13bb3095a
147869973
155062c51
hex369d0e1

57266401 has 2 divisors, whose sum is σ = 57266402. Its totient is φ = 57266400.

The previous prime is 57266369. The next prime is 57266423. The reversal of 57266401 is 10466275.

It is a happy number.

57266401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40259025 + 17007376 = 6345^2 + 4124^2 .

It is a cyclic number.

It is not a de Polignac number, because 57266401 - 25 = 57266369 is a prime.

It is not a weakly prime, because it can be changed into another prime (57266101) 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, 28633200 + 28633201.

It is an arithmetic number, because the mean of its divisors is an integer number (28633201).

Almost surely, 257266401 is an apocalyptic number.

It is an amenable number.

57266401 is a deficient number, since it is larger than the sum of its proper divisors (1).

57266401 is an equidigital number, since it uses as much as digits as its factorization.

57266401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 57266401 is about 7567.4567061860. The cubic root of 57266401 is about 385.4487397096.

The spelling of 57266401 in words is "fifty-seven million, two hundred sixty-six thousand, four hundred one".