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57452069 is a prime number
BaseRepresentation
bin1101101100101…
…0011000100101
311000002212102102
43123022120211
5104201431234
65411221445
71265222513
oct333123045
9130085372
1057452069
112a480654
12172a7885
13bb9730c
1478b74b3
15509cc7e
hex36ca625

57452069 has 2 divisors, whose sum is σ = 57452070. Its totient is φ = 57452068.

The previous prime is 57452011. The next prime is 57452099. The reversal of 57452069 is 96025475.

It is a happy number.

57452069 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., 45292900 + 12159169 = 6730^2 + 3487^2 .

It is a cyclic number.

It is not a de Polignac number, because 57452069 - 224 = 40674853 is a prime.

It is a super-2 number, since 2×574520692 = 6601480464761522, which contains 22 as substring.

It is a Chen prime.

It is equal to p3419786 and since 57452069 and 3419786 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57452099) 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, 28726034 + 28726035.

It is an arithmetic number, because the mean of its divisors is an integer number (28726035).

Almost surely, 257452069 is an apocalyptic number.

It is an amenable number.

57452069 is a deficient number, since it is larger than the sum of its proper divisors (1).

57452069 is an equidigital number, since it uses as much as digits as its factorization.

57452069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 57452069 is about 7579.7143086003. The cubic root of 57452069 is about 385.8648551026.

The spelling of 57452069 in words is "fifty-seven million, four hundred fifty-two thousand, sixty-nine".