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80063387 = 1739711863
BaseRepresentation
bin1001100010110…
…10101110011011
312120122122022122
410301122232123
5130444012022
611540011455
71661345645
oct461325633
9176578278
1080063387
1141214898
1222990b8b
13137831b1
14a8c1895
157067742
hex4c5ab9b

80063387 has 8 divisors (see below), whose sum is σ = 84993696. Its totient is φ = 75157632.

The previous prime is 80063383. The next prime is 80063411. The reversal of 80063387 is 78336008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80063387 - 22 = 80063383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80063383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818 + ... + 12680.

It is an arithmetic number, because the mean of its divisors is an integer number (10624212).

Almost surely, 280063387 is an apocalyptic number.

80063387 is a deficient number, since it is larger than the sum of its proper divisors (4930309).

80063387 is a wasteful number, since it uses less digits than its factorization.

80063387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12277.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 80063387 is about 8947.8146493990. The cubic root of 80063387 is about 431.0007105893. Note that the first 3 decimals are identical.

The spelling of 80063387 in words is "eighty million, sixty-three thousand, three hundred eighty-seven".

Divisors: 1 17 397 6749 11863 201671 4709611 80063387