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42864000 = 273531947
BaseRepresentation
bin1010001110000…
…0110110000000
32222122201100120
42203200312000
541433122000
64130420240
71030223634
oct243406600
988581316
1042864000
11222173a3
1212431680
138b5a31a
14599adc4
153b6a6a0
hex28e0d80

42864000 has 256 divisors, whose sum is σ = 152755200. Its totient is φ = 10598400.

The previous prime is 42863999. The next prime is 42864007. The reversal of 42864000 is 46824.

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 (42864007) 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, 911977 + ... + 912023.

It is an arithmetic number, because the mean of its divisors is an integer number (596700).

Almost surely, 242864000 is an apocalyptic number.

42864000 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 42864000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76377600).

42864000 is an abundant number, since it is smaller than the sum of its proper divisors (109891200).

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

42864000 is a wasteful number, since it uses less digits than its factorization.

42864000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 42864000 is about 6547.0604090691. The cubic root of 42864000 is about 349.9700654671.

The spelling of 42864000 in words is "forty-two million, eight hundred sixty-four thousand".