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80067080 = 2352001677
BaseRepresentation
bin1001100010110…
…11101000001000
312120122211101102
410301123220020
5130444121310
611540040532
71661362502
oct461335010
9176584342
1080067080
1141217645
1222993148
1313784a92
14a8c2d72
1570688a5
hex4c5ba08

80067080 has 16 divisors (see below), whose sum is σ = 180151020. Its totient is φ = 32026816.

The previous prime is 80067073. The next prime is 80067101. The reversal of 80067080 is 8076008.

It can be written as a sum of positive squares in 2 ways, for example, as 74200996 + 5866084 = 8614^2 + 2422^2 .

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 3 ways as a sum of consecutive naturals, for example, 1000799 + ... + 1000878.

Almost surely, 280067080 is an apocalyptic number.

It is an amenable number.

80067080 is an abundant number, since it is smaller than the sum of its proper divisors (100083940).

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

80067080 is a wasteful number, since it uses less digits than its factorization.

80067080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001688 (or 2001684 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 80067080 is about 8948.0210102570. The cubic root of 80067080 is about 431.0073372602.

The spelling of 80067080 in words is "eighty million, sixty-seven thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 2001677 4003354 8006708 10008385 16013416 20016770 40033540 80067080