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102889828 = 2241627377
BaseRepresentation
bin1100010000111…
…11100101100100
321011121100022101
412020133211210
5202314433303
614113141444
72356356226
oct610374544
9234540271
10102889828
1153095718
122a55a884
1318415c72
14d944416
159075d1d
hex621f964

102889828 has 12 divisors (see below), whose sum is σ = 184449132. Its totient is φ = 50190080.

The previous prime is 102889817. The next prime is 102889849. The reversal of 102889828 is 828988201.

It can be written as a sum of positive squares in 2 ways, for example, as 35617024 + 67272804 = 5968^2 + 8202^2 .

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, 313525 + ... + 313852.

It is an arithmetic number, because the mean of its divisors is an integer number (15370761).

Almost surely, 2102889828 is an apocalyptic number.

It is an amenable number.

102889828 is a deficient number, since it is larger than the sum of its proper divisors (81559304).

102889828 is a wasteful number, since it uses less digits than its factorization.

102889828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627422 (or 627420 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 46.

The square root of 102889828 is about 10143.4623280219. The cubic root of 102889828 is about 468.5876235692.

The spelling of 102889828 in words is "one hundred two million, eight hundred eighty-nine thousand, eight hundred twenty-eight".

Divisors: 1 2 4 41 82 164 627377 1254754 2509508 25722457 51444914 102889828