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80344793 = 101795493
BaseRepresentation
bin1001100100111…
…11011011011001
312121011221100002
410302133123121
5131032013133
611550022345
71663630244
oct462373331
9177157302
1080344793
1141397261
1222aa79b5
13138512c9
14a95625b
1570c0ce8
hex4c9f6d9

80344793 has 4 divisors (see below), whose sum is σ = 81140388. Its totient is φ = 79549200.

The previous prime is 80344783. The next prime is 80344811. The reversal of 80344793 is 39744308.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49730704 + 30614089 = 7052^2 + 5533^2 .

It is a cyclic number.

It is not a de Polignac number, because 80344793 - 212 = 80340697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80344783) 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, 397646 + ... + 397847.

It is an arithmetic number, because the mean of its divisors is an integer number (20285097).

Almost surely, 280344793 is an apocalyptic number.

It is an amenable number.

80344793 is a deficient number, since it is larger than the sum of its proper divisors (795595).

80344793 is a wasteful number, since it uses less digits than its factorization.

80344793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795594.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 80344793 is about 8963.5257014191. The cubic root of 80344793 is about 431.5050791437.

The spelling of 80344793 in words is "eighty million, three hundred forty-four thousand, seven hundred ninety-three".

Divisors: 1 101 795493 80344793