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385861027 is a prime number
BaseRepresentation
bin10110111111111…
…100010110100011
3222220001202211011
4112333330112203
51242240023102
6102142201351
712363523156
oct2677742643
9886052734
10385861027
11188899112
12a9283257
1361c30b46
1439363c9d
1523d1e2d7
hex16ffc5a3

385861027 has 2 divisors, whose sum is σ = 385861028. Its totient is φ = 385861026.

The previous prime is 385861009. The next prime is 385861033. The reversal of 385861027 is 720168583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385861027 - 27 = 385860899 is a prime.

It is not a weakly prime, because it can be changed into another prime (385861057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192930513 + 192930514.

It is an arithmetic number, because the mean of its divisors is an integer number (192930514).

Almost surely, 2385861027 is an apocalyptic number.

385861027 is a deficient number, since it is larger than the sum of its proper divisors (1).

385861027 is an equidigital number, since it uses as much as digits as its factorization.

385861027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 385861027 is about 19643.3456162640. The cubic root of 385861027 is about 728.0205503548.

The spelling of 385861027 in words is "three hundred eighty-five million, eight hundred sixty-one thousand, twenty-seven".