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20248800 = 25352111359
BaseRepresentation
bin100110100111…
…1100011100000
31102002202010120
41031033203200
520140430200
62002000240
7334053255
oct115174340
942082116
1020248800
1110480250
126946080
13426c750
14299142c
151b9e9a0
hex134f8e0

20248800 has 288 divisors, whose sum is σ = 78744960. Its totient is φ = 4454400.

The previous prime is 20248777. The next prime is 20248831. The reversal of 20248800 is 884202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 343171 + ... + 343229.

It is an arithmetic number, because the mean of its divisors is an integer number (273420).

Almost surely, 220248800 is an apocalyptic number.

20248800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20248800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39372480).

20248800 is an abundant number, since it is smaller than the sum of its proper divisors (58496160).

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

20248800 is a wasteful number, since it uses less digits than its factorization.

20248800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 20248800 is about 4499.8666646913. The cubic root of 20248800 is about 272.5627047574.

The spelling of 20248800 in words is "twenty million, two hundred forty-eight thousand, eight hundred".