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80134843 = 431863601
BaseRepresentation
bin1001100011011…
…00001010111011
312120210021100011
410301230022323
5131003303333
611541322351
71662064165
oct461541273
9176707304
1080134843
1141263548
1222a063b7
13137a9889
14a8dd935
15707d9cd
hex4c6c2bb

80134843 has 4 divisors (see below), whose sum is σ = 81998488. Its totient is φ = 78271200.

The previous prime is 80134807. The next prime is 80134861. The reversal of 80134843 is 34843108.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80134843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80137843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931758 + ... + 931843.

It is an arithmetic number, because the mean of its divisors is an integer number (20499622).

Almost surely, 280134843 is an apocalyptic number.

80134843 is a deficient number, since it is larger than the sum of its proper divisors (1863645).

80134843 is a wasteful number, since it uses less digits than its factorization.

80134843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863644.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 80134843 is about 8951.8066891550. The cubic root of 80134843 is about 431.1288941460.

The spelling of 80134843 in words is "eighty million, one hundred thirty-four thousand, eight hundred forty-three".

Divisors: 1 43 1863601 80134843