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20441448 = 2332283909
BaseRepresentation
bin100110111111…
…0100101101000
31102110112101200
41031332211220
520213111243
62010044200
7335515026
oct115764550
942415350
1020441448
11105a1a65
126a19660
134309341
142a01716
151bdbad3
hex137e968

20441448 has 24 divisors (see below), whose sum is σ = 55362450. Its totient is φ = 6813792.

The previous prime is 20441437. The next prime is 20441461. The reversal of 20441448 is 84414402.

It is a happy number.

20441448 is a `hidden beast` number, since 204 + 414 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19554084 + 887364 = 4422^2 + 942^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141883 + ... + 142026.

Almost surely, 220441448 is an apocalyptic number.

It is an amenable number.

20441448 is an abundant number, since it is smaller than the sum of its proper divisors (34921002).

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

20441448 is a wasteful number, since it uses less digits than its factorization.

20441448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283921 (or 283914 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 20441448 is about 4521.2219587187. The cubic root of 20441448 is about 273.4243691741.

The spelling of 20441448 in words is "twenty million, four hundred forty-one thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 283909 567818 851727 1135636 1703454 2271272 2555181 3406908 5110362 6813816 10220724 20441448