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80194284 = 22322324211
BaseRepresentation
bin1001100011110…
…10101011101100
312120220021212200
410301322223230
5131012204114
611542501500
71662432402
oct461725354
9176807780
1080194284
11412a4175
1222a34890
13137ca951
14a917472
157091409
hex4c7aaec

80194284 has 54 divisors (see below), whose sum is σ = 211960476. Its totient is φ = 25563120.

The previous prime is 80194259. The next prime is 80194297. The reversal of 80194284 is 48249108.

It is a super-2 number, since 2×801942842 = 12862246372545312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16939 + ... + 21149.

It is an arithmetic number, because the mean of its divisors is an integer number (3925194).

Almost surely, 280194284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80194284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105980238).

80194284 is an abundant number, since it is smaller than the sum of its proper divisors (131766192).

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

80194284 is a wasteful number, since it uses less digits than its factorization.

80194284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 80194284 is about 8955.1261297650. The cubic root of 80194284 is about 431.2354661769.

The spelling of 80194284 in words is "eighty million, one hundred ninety-four thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 529 828 1058 1587 2116 3174 4211 4761 6348 8422 9522 12633 16844 19044 25266 37899 50532 75798 96853 151596 193706 290559 387412 581118 871677 1162236 1743354 2227619 3486708 4455238 6682857 8910476 13365714 20048571 26731428 40097142 80194284