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80053743 = 3711346553
BaseRepresentation
bin1001100010110…
…00010111101111
312120122011002110
410301120113233
5130443204433
611535455103
71661305560
oct461302757
9176564073
1080053743
1141208620
1222987493
131377b9a3
14a8bc167
157064963
hex4c585ef

80053743 has 16 divisors (see below), whose sum is σ = 133076736. Its totient is φ = 41586240.

The previous prime is 80053741. The next prime is 80053751. The reversal of 80053743 is 34735008.

It is not a de Polignac number, because 80053743 - 21 = 80053741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80053743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80053741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173046 + ... + 173507.

It is an arithmetic number, because the mean of its divisors is an integer number (8317296).

Almost surely, 280053743 is an apocalyptic number.

80053743 is a deficient number, since it is larger than the sum of its proper divisors (53022993).

80053743 is a wasteful number, since it uses less digits than its factorization.

80053743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346574.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 80053743 is about 8947.2757306344. The cubic root of 80053743 is about 430.9834045609.

The spelling of 80053743 in words is "eighty million, fifty-three thousand, seven hundred forty-three".

Divisors: 1 3 7 11 21 33 77 231 346553 1039659 2425871 3812083 7277613 11436249 26684581 80053743