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20475110 = 2519910289
BaseRepresentation
bin100111000011…
…0110011100110
31102112020120102
41032012303212
520220200420
62010504102
7336015125
oct116066346
942466512
1020475110
1110615287
126a35032
13431b766
142a0dabc
151be6a75
hex1386ce6

20475110 has 16 divisors (see below), whose sum is σ = 37044000. Its totient is φ = 8148096.

The previous prime is 20475107. The next prime is 20475121. The reversal of 20475110 is 1157402.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3155 + ... + 7134.

It is an arithmetic number, because the mean of its divisors is an integer number (2315250).

Almost surely, 220475110 is an apocalyptic number.

20475110 is a deficient number, since it is larger than the sum of its proper divisors (16568890).

20475110 is a wasteful number, since it uses less digits than its factorization.

20475110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 20475110 is about 4524.9430935648. The cubic root of 20475110 is about 273.5743742600.

The spelling of 20475110 in words is "twenty million, four hundred seventy-five thousand, one hundred ten".

Divisors: 1 2 5 10 199 398 995 1990 10289 20578 51445 102890 2047511 4095022 10237555 20475110