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80996041 = 71723101293
BaseRepresentation
bin1001101001111…
…10011011001001
312122102000200101
410310332123021
5131213333131
612012005401
72002312030
oct464763311
9178360611
1080996041
11417a1585
1223160861
1313a1b869
14aa85717
15719dc61
hex4d3e6c9

80996041 has 32 divisors (see below), whose sum is σ = 103638528. Its totient is φ = 61670400.

The previous prime is 80996039. The next prime is 80996051. The reversal of 80996041 is 14069908.

It is a cyclic number.

It is not a de Polignac number, because 80996041 - 21 = 80996039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80996051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276291 + ... + 276583.

It is an arithmetic number, because the mean of its divisors is an integer number (3238704).

Almost surely, 280996041 is an apocalyptic number.

It is an amenable number.

80996041 is a deficient number, since it is larger than the sum of its proper divisors (22642487).

80996041 is a wasteful number, since it uses less digits than its factorization.

80996041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 80996041 is about 8999.7800528680. The cubic root of 80996041 is about 432.6678217600.

The spelling of 80996041 in words is "eighty million, nine hundred ninety-six thousand, forty-one".

Divisors: 1 7 17 23 101 119 161 293 391 707 1717 2051 2323 2737 4981 6739 12019 16261 29593 34867 39491 47173 114563 207151 276437 503081 680639 801941 3521567 4764473 11570863 80996041