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80544426 = 2329462899
BaseRepresentation
bin1001100110100…
…00001010101010
312121120002011220
410303100022222
5131104410201
611554202510
71665421254
oct463201252
9177502156
1080544426
1141513246
1222b83436
13138c1131
14a9a8cd4
157110036
hex4cd02aa

80544426 has 16 divisors (see below), whose sum is σ = 166644000. Its totient is φ = 25922288.

The previous prime is 80544421. The next prime is 80544427. The reversal of 80544426 is 62444508.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80544421) 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 in 7 ways as a sum of consecutive naturals, for example, 231276 + ... + 231623.

It is an arithmetic number, because the mean of its divisors is an integer number (10415250).

Almost surely, 280544426 is an apocalyptic number.

80544426 is an abundant number, since it is smaller than the sum of its proper divisors (86099574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80544426 is a wasteful number, since it uses less digits than its factorization.

80544426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462933.

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 80544426 is about 8974.6546451660. The cubic root of 80544426 is about 431.8621709653.

The spelling of 80544426 in words is "eighty million, five hundred forty-four thousand, four hundred twenty-six".

Divisors: 1 2 3 6 29 58 87 174 462899 925798 1388697 2777394 13424071 26848142 40272213 80544426