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80244666 = 23273173353
BaseRepresentation
bin1001100100001…
…10111110111010
312120222211222200
410302012332322
5131020312131
611543531030
71663032315
oct462067672
9176884880
1080244666
1141329007
1222a59a76
1313817868
14a92b97c
1570a12e6
hex4c86fba

80244666 has 48 divisors (see below), whose sum is σ = 177766056. Its totient is φ = 26155008.

The previous prime is 80244643. The next prime is 80244673. The reversal of 80244666 is 66644208.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 78057225 + 2187441 = 8835^2 + 1479^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80244666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227146 + ... + 227498.

Almost surely, 280244666 is an apocalyptic number.

80244666 is an abundant number, since it is smaller than the sum of its proper divisors (97521390).

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

80244666 is a wasteful number, since it uses less digits than its factorization.

80244666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 80244666 is about 8957.9387137890. The cubic root of 80244666 is about 431.3257550598.

The spelling of 80244666 in words is "eighty million, two hundred forty-four thousand, six hundred sixty-six".

Divisors: 1 2 3 6 9 18 73 146 173 219 346 353 438 519 657 706 1038 1059 1314 1557 2118 3114 3177 6354 12629 25258 25769 37887 51538 61069 75774 77307 113661 122138 154614 183207 227322 231921 366414 463842 549621 1099242 4458037 8916074 13374111 26748222 40122333 80244666