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284228055 = 33573151191
BaseRepresentation
bin10000111100001…
…111100111010111
3201210211021121000
4100330033213113
51040230244210
644111554343
710020620136
oct2074174727
9653737530
10284228055
11136491821
127b22b9b3
1346b67ca7
1429a6991d
1519e45ac0
hex10f0f9d7

284228055 has 64 divisors (see below), whose sum is σ = 518307840. Its totient is φ = 147744000.

The previous prime is 284228053. The next prime is 284228069. The reversal of 284228055 is 550822482.

It is not a de Polignac number, because 284228055 - 21 = 284228053 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284228051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1488010 + ... + 1488200.

It is an arithmetic number, because the mean of its divisors is an integer number (8098560).

Almost surely, 2284228055 is an apocalyptic number.

284228055 is a deficient number, since it is larger than the sum of its proper divisors (234079785).

284228055 is a wasteful number, since it uses less digits than its factorization.

284228055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 284228055 is about 16859.0644758243. The cubic root of 284228055 is about 657.4897413908.

The spelling of 284228055 in words is "two hundred eighty-four million, two hundred twenty-eight thousand, fifty-five".

Divisors: 1 3 5 9 15 27 45 73 135 151 191 219 365 453 573 657 755 955 1095 1359 1719 1971 2265 2865 3285 4077 5157 6795 8595 9855 11023 13943 20385 25785 28841 33069 41829 55115 69715 86523 99207 125487 144205 165345 209145 259569 297621 376461 432615 496035 627435 778707 1297845 1488105 1882305 2105393 3893535 6316179 10526965 18948537 31580895 56845611 94742685 284228055