Search a number
-
+
80851044 = 22367227443
BaseRepresentation
bin1001101000110…
…11000001100100
312122010122210010
410310123001210
5131144213134
612004530220
72001136221
oct464330144
9178118703
1080851044
114170264a
12230b0970
131399a871
14aa48948
157170ce9
hex4d1b064

80851044 has 48 divisors (see below), whose sum is σ = 192745728. Its totient is φ = 26371488.

The previous prime is 80851039. The next prime is 80851091. The reversal of 80851044 is 44015808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182287 + ... + 182729.

It is an arithmetic number, because the mean of its divisors is an integer number (4015536).

Almost surely, 280851044 is an apocalyptic number.

It is an amenable number.

80851044 is an abundant number, since it is smaller than the sum of its proper divisors (111894684).

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

80851044 is a wasteful number, since it uses less digits than its factorization.

80851044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 80851044 is about 8991.7208586566. The cubic root of 80851044 is about 432.4094839924.

The spelling of 80851044 in words is "eighty million, eight hundred fifty-one thousand, forty-four".

Divisors: 1 2 3 4 6 12 67 134 201 227 268 402 443 454 681 804 886 908 1329 1362 1772 2658 2724 5316 15209 29681 30418 45627 59362 60836 89043 91254 100561 118724 178086 182508 201122 301683 356172 402244 603366 1206732 6737587 13475174 20212761 26950348 40425522 80851044