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80675384 = 2325739239
BaseRepresentation
bin1001100111100…
…00001000111000
312121210201211012
410303300020320
5131123103014
612001053052
71666505126
oct463601070
9177721735
1080675384
11415a2679
1223027188
131393891a
14aa00916
157138c3e
hex4cf0238

80675384 has 16 divisors (see below), whose sum is σ = 151858800. Its totient is φ = 40179712.

The previous prime is 80675377. The next prime is 80675393. The reversal of 80675384 is 48357608.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 17564 + ... + 21675.

It is an arithmetic number, because the mean of its divisors is an integer number (9491175).

Almost surely, 280675384 is an apocalyptic number.

It is an amenable number.

80675384 is a deficient number, since it is larger than the sum of its proper divisors (71183416).

80675384 is a wasteful number, since it uses less digits than its factorization.

80675384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39502 (or 39498 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 80675384 is about 8981.9476729716. The cubic root of 80675384 is about 432.0961005911.

The spelling of 80675384 in words is "eighty million, six hundred seventy-five thousand, three hundred eighty-four".

Divisors: 1 2 4 8 257 514 1028 2056 39239 78478 156956 313912 10084423 20168846 40337692 80675384