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28614900444 = 22313183428849
BaseRepresentation
bin11010101001100101…
…001011101011011100
32201212012222112222120
4122221211023223130
5432100403303234
621051232342540
72032050432504
oct325145135334
981765875876
1028614900444
1111154402259
1256670a4a50
132910432870
1415564d4a04
15b27229049
hex6a994badc

28614900444 has 24 divisors (see below), whose sum is σ = 71904109200. Its totient is φ = 8804584704.

The previous prime is 28614900439. The next prime is 28614900451. The reversal of 28614900444 is 44400941682.

It is a junction number, because it is equal to n+sod(n) for n = 28614900396 and 28614900405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91714269 + ... + 91714580.

It is an arithmetic number, because the mean of its divisors is an integer number (2996004550).

Almost surely, 228614900444 is an apocalyptic number.

It is an amenable number.

28614900444 is an abundant number, since it is smaller than the sum of its proper divisors (43289208756).

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

28614900444 is a wasteful number, since it uses less digits than its factorization.

28614900444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183428869 (or 183428867 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 28614900444 in words is "twenty-eight billion, six hundred fourteen million, nine hundred thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 183428849 366857698 550286547 733715396 1100573094 2201146188 2384575037 4769150074 7153725111 9538300148 14307450222 28614900444