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80766068 = 2220191517
BaseRepresentation
bin1001101000001…
…10010001110100
312121222100012212
410310012101310
5131134003233
612003032552
72000333405
oct464062164
9177870185
1080766068
1141654819
122306b758
131396ac96
14aa259ac
157155a48
hex4d06474

80766068 has 6 divisors (see below), whose sum is σ = 141340626. Its totient is φ = 40383032.

The previous prime is 80766029. The next prime is 80766071. The reversal of 80766068 is 86066708.

It can be written as a sum of positive squares in only one way, i.e., 63808144 + 16957924 = 7988^2 + 4118^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 10095755 + ... + 10095762.

It is an arithmetic number, because the mean of its divisors is an integer number (23556771).

Almost surely, 280766068 is an apocalyptic number.

It is an amenable number.

80766068 is a deficient number, since it is larger than the sum of its proper divisors (60574558).

80766068 is a wasteful number, since it uses less digits than its factorization.

80766068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191521 (or 20191519 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 80766068 is about 8986.9943807705. The cubic root of 80766068 is about 432.2579406642.

The spelling of 80766068 in words is "eighty million, seven hundred sixty-six thousand, sixty-eight".

Divisors: 1 2 4 20191517 40383034 80766068