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284266401 = 31753105167
BaseRepresentation
bin10000111100011…
…000111110100001
3201210220020012020
4100330120332201
51040233011101
644112452053
710021140006
oct2074307641
9653806166
10284266401
11136508611
127b24a029
1346b7c593
1429a798ad
1519e52136
hex10f18fa1

284266401 has 16 divisors (see below), whose sum is σ = 408893184. Its totient is φ = 174996224.

The previous prime is 284266399. The next prime is 284266417. The reversal of 284266401 is 104662482.

It is a cyclic number.

It is not a de Polignac number, because 284266401 - 21 = 284266399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (284266901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49881 + ... + 55286.

It is an arithmetic number, because the mean of its divisors is an integer number (25555824).

Almost surely, 2284266401 is an apocalyptic number.

It is an amenable number.

284266401 is a deficient number, since it is larger than the sum of its proper divisors (124626783).

284266401 is a wasteful number, since it uses less digits than its factorization.

284266401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105240.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 284266401 is about 16860.2016891851. The cubic root of 284266401 is about 657.5193079864.

The spelling of 284266401 in words is "two hundred eighty-four million, two hundred sixty-six thousand, four hundred one".

Divisors: 1 3 17 51 53 159 901 2703 105167 315501 1787839 5363517 5573851 16721553 94755467 284266401