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284075330 = 2571133049
BaseRepresentation
bin10000111011101…
…010010101000010
3201210112112002112
4100323222111002
51040210402310
644104415322
710016412650
oct2073522502
9653475075
10284075330
11136398000
127b177542
1346b13616
1429a29dd0
1519e15705
hex10eea542

284075330 has 64 divisors (see below), whose sum is σ = 642988800. Its totient is φ = 88513920.

The previous prime is 284075317. The next prime is 284075359. The reversal of 284075330 is 33570482.

It is a happy number.

It is a super-2 number, since 2×2840753302 = 161397586229217800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 91646 + ... + 94694.

It is an arithmetic number, because the mean of its divisors is an integer number (10046700).

Almost surely, 2284075330 is an apocalyptic number.

284075330 is an abundant number, since it is smaller than the sum of its proper divisors (358913470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284075330 is a wasteful number, since it uses less digits than its factorization.

284075330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096 (or 3074 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 284075330 is about 16854.5344047233. The cubic root of 284075330 is about 657.3719567342.

The spelling of 284075330 in words is "two hundred eighty-four million, seventy-five thousand, three hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 121 154 242 385 605 770 847 1210 1331 1694 2662 3049 4235 6098 6655 8470 9317 13310 15245 18634 21343 30490 33539 42686 46585 67078 93170 106715 167695 213430 234773 335390 368929 469546 737858 1173865 1844645 2347730 2582503 3689290 4058219 5165006 8116438 12912515 20291095 25825030 28407533 40582190 56815066 142037665 284075330