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80788053 = 3139919249
BaseRepresentation
bin1001101000010…
…11101001010101
312122000110101010
410310023221111
5131140204203
612003322433
72000454453
oct464135125
9178013333
1080788053
114166a295
1223080419
1313977ca8
14aa2d9d3
15715c303
hex4d0ba55

80788053 has 8 divisors (see below), whose sum is σ = 107800000. Its totient is φ = 53817408.

The previous prime is 80788049. The next prime is 80788067. The reversal of 80788053 is 35088708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80788053 - 22 = 80788049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80788033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5428 + ... + 13821.

It is an arithmetic number, because the mean of its divisors is an integer number (13475000).

Almost surely, 280788053 is an apocalyptic number.

It is an amenable number.

80788053 is a deficient number, since it is larger than the sum of its proper divisors (27011947).

80788053 is a wasteful number, since it uses less digits than its factorization.

80788053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20651.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 80788053 is about 8988.2174539783. The cubic root of 80788053 is about 432.2971581596.

The spelling of 80788053 in words is "eighty million, seven hundred eighty-eight thousand, fifty-three".

Divisors: 1 3 1399 4197 19249 57747 26929351 80788053