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80741443 = 216137363
BaseRepresentation
bin1001101000000…
…00010001000011
312121221002102211
410310000101003
5131132211233
612002322551
72000201536
oct464002103
9177832384
1080741443
1141638272
1223059457
131395ca03
14aa1aa1d
15714d5cd
hex4d00443

80741443 has 4 divisors (see below), whose sum is σ = 80780968. Its totient is φ = 80701920.

The previous prime is 80741407. The next prime is 80741447. The reversal of 80741443 is 34414708.

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

It is a cyclic number.

It is not a de Polignac number, because 80741443 - 217 = 80610371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80741447) 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, 16521 + ... + 20842.

It is an arithmetic number, because the mean of its divisors is an integer number (20195242).

Almost surely, 280741443 is an apocalyptic number.

80741443 is a deficient number, since it is larger than the sum of its proper divisors (39525).

80741443 is a wasteful number, since it uses less digits than its factorization.

80741443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39524.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 80741443 is about 8985.6242409751. The cubic root of 80741443 is about 432.2140054076.

The spelling of 80741443 in words is "eighty million, seven hundred forty-one thousand, four hundred forty-three".

Divisors: 1 2161 37363 80741443