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80050816 = 27625397
BaseRepresentation
bin1001100010101…
…11101010000000
312120122000002001
410301113222000
5130443111231
611535433344
71661264206
oct461275200
9176560061
1080050816
11412063aa
1222985854
131377a561
14a8bb076
157063b61
hex4c57a80

80050816 has 16 divisors (see below), whose sum is σ = 159476490. Its totient is φ = 40025344.

The previous prime is 80050813. The next prime is 80050837. The reversal of 80050816 is 61805008.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79566400 + 484416 = 8920^2 + 696^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (80050811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312571 + ... + 312826.

Almost surely, 280050816 is an apocalyptic number.

It is an amenable number.

80050816 is a deficient number, since it is larger than the sum of its proper divisors (79425674).

80050816 is an equidigital number, since it uses as much as digits as its factorization.

80050816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625411 (or 625399 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 80050816 is about 8947.1121597977. The cubic root of 80050816 is about 430.9781518238.

The spelling of 80050816 in words is "eighty million, fifty thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 32 64 128 625397 1250794 2501588 5003176 10006352 20012704 40025408 80050816