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28056114 = 2321558673
BaseRepresentation
bin110101100000…
…1101000110010
31221210101202100
41223001220302
524140243424
62441201230
7460321152
oct153015062
957711670
1028056114
1114922a79
129490216
135a74268
143a24762
1526e2dc9
hex1ac1a32

28056114 has 12 divisors (see below), whose sum is σ = 60788286. Its totient is φ = 9352032.

The previous prime is 28056097. The next prime is 28056143. The reversal of 28056114 is 41165082.

It can be written as a sum of positive squares in only one way, i.e., 21930489 + 6125625 = 4683^2 + 2475^2 .

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 5 ways as a sum of consecutive naturals, for example, 779319 + ... + 779354.

Almost surely, 228056114 is an apocalyptic number.

28056114 is an abundant number, since it is smaller than the sum of its proper divisors (32732172).

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

28056114 is a wasteful number, since it uses less digits than its factorization.

28056114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558681 (or 1558678 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 28056114 is about 5296.8022428631. The cubic root of 28056114 is about 303.8616132020.

The spelling of 28056114 in words is "twenty-eight million, fifty-six thousand, one hundred fourteen".

Divisors: 1 2 3 6 9 18 1558673 3117346 4676019 9352038 14028057 28056114