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285465127 is a prime number
BaseRepresentation
bin10001000000111…
…101101000100111
3201220011010112111
4101000331220213
51041034341002
644154301451
710034261563
oct2100755047
9656133474
10285465127
111371571a2
127b727887
13471ac09c
1429cac6a3
151a0dc3d7
hex1103da27

285465127 has 2 divisors, whose sum is σ = 285465128. Its totient is φ = 285465126.

The previous prime is 285465109. The next prime is 285465151. The reversal of 285465127 is 721564582.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-285465127 is a prime.

It is a super-2 number, since 2×2854651272 = 162980677466252258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 285465127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285465107) 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, 142732563 + 142732564.

It is an arithmetic number, because the mean of its divisors is an integer number (142732564).

Almost surely, 2285465127 is an apocalyptic number.

285465127 is a deficient number, since it is larger than the sum of its proper divisors (1).

285465127 is an equidigital number, since it uses as much as digits as its factorization.

285465127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 40.

The square root of 285465127 is about 16895.7132728985. The cubic root of 285465127 is about 658.4422452651.

The spelling of 285465127 in words is "two hundred eighty-five million, four hundred sixty-five thousand, one hundred twenty-seven".