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50400800 = 25522512
BaseRepresentation
bin1100000001000…
…0111000100000
310111211121220022
43000100320200
5100400311200
65000133012
71151254052
oct300207040
9114747808
1050400800
11264a495a
1214a67168
13a598978
14699d8d2
154658885
hex3010e20

50400800 has 54 divisors (see below), whose sum is σ = 123533109. Its totient is φ = 20080000.

The previous prime is 50400799. The next prime is 50400821. The reversal of 50400800 is 800405.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 49392784 + 1008016 = 7028^2 + 1004^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=5020.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 200675 + ... + 200925.

Almost surely, 250400800 is an apocalyptic number.

50400800 is a gapful number since it is divisible by the number (50) 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 50400800

50400800 is an abundant number, since it is smaller than the sum of its proper divisors (73132309).

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

50400800 is an equidigital number, since it uses as much as digits as its factorization.

50400800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 50400800 is about 7099.3520831129. The cubic root of 50400800 is about 369.3849044864.

The spelling of 50400800 in words is "fifty million, four hundred thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 251 400 502 800 1004 1255 2008 2510 4016 5020 6275 8032 10040 12550 20080 25100 40160 50200 63001 100400 126002 200800 252004 315005 504008 630010 1008016 1260020 1575025 2016032 2520040 3150050 5040080 6300100 10080160 12600200 25200400 50400800