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242906400 = 253252113067
BaseRepresentation
bin11100111101001…
…11010100100000
3121221001220221100
432132213110200
5444141001100
640034154400
76006445632
oct1636472440
9557056840
10242906400
111151291a0
1269422a00
133b42a9c9
1424390a52
15164d2400
hexe7a7520

242906400 has 216 divisors, whose sum is σ = 934721424. Its totient is φ = 58867200.

The previous prime is 242906383. The next prime is 242906413. The reversal of 242906400 is 4609242.

242906400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 77667 + ... + 80733.

It is an arithmetic number, because the mean of its divisors is an integer number (4327414).

Almost surely, 2242906400 is an apocalyptic number.

242906400 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 242906400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467360712).

242906400 is an abundant number, since it is smaller than the sum of its proper divisors (691815024).

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

242906400 is a wasteful number, since it uses less digits than its factorization.

242906400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104 (or 3088 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 242906400 is about 15585.4547575616. The cubic root of 242906400 is about 623.9450148789.

The spelling of 242906400 in words is "two hundred forty-two million, nine hundred six thousand, four hundred".