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285465023 is a prime number
BaseRepresentation
bin10001000000111…
…101100110111111
3201220011010101122
4101000331212333
51041034340043
644154301155
710034261354
oct2100754677
9656133348
10285465023
11137157108
127b7277bb
13471ac01c
1429cac62b
151a0dc368
hex1103d9bf

285465023 has 2 divisors, whose sum is σ = 285465024. Its totient is φ = 285465022.

The previous prime is 285465013. The next prime is 285465043. The reversal of 285465023 is 320564582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285465023 - 216 = 285399487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285465013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142732511 + 142732512.

It is an arithmetic number, because the mean of its divisors is an integer number (142732512).

Almost surely, 2285465023 is an apocalyptic number.

285465023 is a deficient number, since it is larger than the sum of its proper divisors (1).

285465023 is an equidigital number, since it uses as much as digits as its factorization.

285465023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 285465023 is about 16895.7101951945. The cubic root of 285465023 is about 658.4421653044.

The spelling of 285465023 in words is "two hundred eighty-five million, four hundred sixty-five thousand, twenty-three".