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42828000 = 253534383
BaseRepresentation
bin1010001101100…
…0000011100000
32222120212222020
42203120003200
541430444000
64125541440
71030013655
oct243300340
988525866
1042828000
11221a2346
1212414880
138b46b17
14598bc2c
153b5eba0
hex28d80e0

42828000 has 192 divisors, whose sum is σ = 145297152. Its totient is φ = 11020800.

The previous prime is 42827999. The next prime is 42828007. The reversal of 42828000 is 82824.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42828007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515959 + ... + 516041.

It is an arithmetic number, because the mean of its divisors is an integer number (756756).

Almost surely, 242828000 is an apocalyptic number.

42828000 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 42828000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72648576).

42828000 is an abundant number, since it is smaller than the sum of its proper divisors (102469152).

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

42828000 is a wasteful number, since it uses less digits than its factorization.

42828000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 136 counting only the distinct ones).

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

The square root of 42828000 is about 6544.3105060808. The cubic root of 42828000 is about 349.8720620832.

The spelling of 42828000 in words is "forty-two million, eight hundred twenty-eight thousand".