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80840593 = 1713934211
BaseRepresentation
bin1001101000110…
…00011110010001
312122010010110001
410310120132101
5131143344333
612004410001
72001063601
oct464303621
9178103401
1080840593
11416a5809
12230a6901
1313995b92
14aa44c01
15716cb7d
hex4d18791

80840593 has 8 divisors (see below), whose sum is σ = 86214240. Its totient is φ = 75535680.

The previous prime is 80840587. The next prime is 80840623. The reversal of 80840593 is 39504808.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80840593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80840503) 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, 14743 + ... + 19468.

It is an arithmetic number, because the mean of its divisors is an integer number (10776780).

Almost surely, 280840593 is an apocalyptic number.

It is an amenable number.

80840593 is a deficient number, since it is larger than the sum of its proper divisors (5373647).

80840593 is a wasteful number, since it uses less digits than its factorization.

80840593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34367.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 80840593 is about 8991.1396941656. The cubic root of 80840593 is about 432.3908517603.

The spelling of 80840593 in words is "eighty million, eight hundred forty thousand, five hundred ninety-three".

Divisors: 1 17 139 2363 34211 581587 4755329 80840593