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284938061 is a prime number
BaseRepresentation
bin10000111110111…
…100111101001101
3201212011100112112
4100332330331031
51040421004221
644135113405
710026635132
oct2076747515
9655140475
10284938061
11136927201
127b512865
1347056205
1429bb2589
151a03615b
hex10fbcf4d

284938061 has 2 divisors, whose sum is σ = 284938062. Its totient is φ = 284938060.

The previous prime is 284938051. The next prime is 284938097. The reversal of 284938061 is 160839482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211149961 + 73788100 = 14531^2 + 8590^2 .

It is a cyclic number.

It is not a de Polignac number, because 284938061 - 26 = 284937997 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284938051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142469030 + 142469031.

It is an arithmetic number, because the mean of its divisors is an integer number (142469031).

Almost surely, 2284938061 is an apocalyptic number.

It is an amenable number.

284938061 is a deficient number, since it is larger than the sum of its proper divisors (1).

284938061 is an equidigital number, since it uses as much as digits as its factorization.

284938061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 284938061 is about 16880.1084415948. The cubic root of 284938061 is about 658.0367592784.

The spelling of 284938061 in words is "two hundred eighty-four million, nine hundred thirty-eight thousand, sixty-one".