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42048000 = 29325373
BaseRepresentation
bin1010000001100…
…1101000000000
32221010021000100
42200121220000
541231014000
64101122400
71020254631
oct240315000
987107010
1042048000
112180a315
12120b9400
138932a97
145827888
153a58a00
hex2819a00

42048000 has 240 divisors, whose sum is σ = 153523656. Its totient is φ = 11059200.

The previous prime is 42047989. The next prime is 42048011. The reversal of 42048000 is 84024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42047989) and next prime (42048011).

It can be written as a sum of positive squares in 4 ways, for example, as 13660416 + 28387584 = 3696^2 + 5328^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 575964 + ... + 576036.

Almost surely, 242048000 is an apocalyptic number.

42048000 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 42048000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76761828).

42048000 is an abundant number, since it is smaller than the sum of its proper divisors (111475656).

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

42048000 is an equidigital number, since it uses as much as digits as its factorization.

42048000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 42048000 is about 6484.4429213310. The cubic root of 42048000 is about 347.7350341376.

The spelling of 42048000 in words is "forty-two million, forty-eight thousand".