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428553000 = 233253172801
BaseRepresentation
bin11001100010110…
…011001100101000
31002212101202012100
4121202303030220
51334202144000
6110305213400
713422432441
oct3142631450
91085352170
10428553000
111aa9a8237
12bb631260
136aa2aa75
1440cb82c8
1527953a00
hex198b3328

428553000 has 192 divisors, whose sum is σ = 1534263120. Its totient is φ = 107520000.

The previous prime is 428552953. The next prime is 428553001. The reversal of 428553000 is 355824.

It can be written as a sum of positive squares in 8 ways, for example, as 45724644 + 382828356 = 6762^2 + 19566^2 .

It is not an unprimeable number, because it can be changed into a prime (428553001) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 151600 + ... + 154400.

Almost surely, 2428553000 is an apocalyptic number.

428553000 is a gapful number since it is divisible by the number (40) 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 428553000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767131560).

428553000 is an abundant number, since it is smaller than the sum of its proper divisors (1105710120).

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

428553000 is a wasteful number, since it uses less digits than its factorization.

428553000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 428553000 is about 20701.5216832000. The cubic root of 428553000 is about 753.9366343943.

The spelling of 428553000 in words is "four hundred twenty-eight million, five hundred fifty-three thousand".