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60142457 is a prime number
BaseRepresentation
bin1110010101101…
…1001101111001
311012011112221102
43211123031321
5110344024312
65545021145
71330126304
oct345331571
9135145842
1060142457
1130a48a11
12181847b5
13c5c9a6b
147db7b3b
15542eec2
hex395b379

60142457 has 2 divisors, whose sum is σ = 60142458. Its totient is φ = 60142456.

The previous prime is 60142451. The next prime is 60142507. The reversal of 60142457 is 75424106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51208336 + 8934121 = 7156^2 + 2989^2 .

It is a cyclic number.

It is not a de Polignac number, because 60142457 - 26 = 60142393 is a prime.

It is not a weakly prime, because it can be changed into another prime (60142451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30071228 + 30071229.

It is an arithmetic number, because the mean of its divisors is an integer number (30071229).

Almost surely, 260142457 is an apocalyptic number.

It is an amenable number.

60142457 is a deficient number, since it is larger than the sum of its proper divisors (1).

60142457 is an equidigital number, since it uses as much as digits as its factorization.

60142457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 60142457 is about 7755.1568004780. The cubic root of 60142457 is about 391.7963527287.

The spelling of 60142457 in words is "sixty million, one hundred forty-two thousand, four hundred fifty-seven".