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80554412 = 22181111263
BaseRepresentation
bin1001100110100…
…10100110101100
312121120120212202
410303102212230
5131110220122
611554321032
71665462341
oct463224654
9177516782
1080554412
114151a7a4
1222b89178
13138c5843
14a9ac7c8
157112e92
hex4cd29ac

80554412 has 12 divisors (see below), whose sum is σ = 141750336. Its totient is φ = 40054320.

The previous prime is 80554403. The next prime is 80554421. The reversal of 80554412 is 21445508.

It is an interprime number because it is at equal distance from previous prime (80554403) and next prime (80554421).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54908 + ... + 56355.

It is an arithmetic number, because the mean of its divisors is an integer number (11812528).

Almost surely, 280554412 is an apocalyptic number.

It is an amenable number.

80554412 is a deficient number, since it is larger than the sum of its proper divisors (61195924).

80554412 is a wasteful number, since it uses less digits than its factorization.

80554412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111448 (or 111446 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 80554412 is about 8975.2109724507. The cubic root of 80554412 is about 431.8800178342.

The spelling of 80554412 in words is "eighty million, five hundred fifty-four thousand, four hundred twelve".

Divisors: 1 2 4 181 362 724 111263 222526 445052 20138603 40277206 80554412