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BaseRepresentation
bin11010111010101010000000
3111021111000100
4122322222000
53301243000
6411122400
7113655300
oct32725200
914244010
107056000
113a8a306
122443400
131600863
14d19600
15945a00
hex6baa80

7056000 has 288 divisors, whose sum is σ = 29476980. Its totient is φ = 1612800.

The previous prime is 7055989. The next prime is 7056013. The reversal of 7056000 is 6507.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 4769856 + 2286144 = 2184^2 + 1512^2 .

It is a tau number, because it is divible by the number of its divisors (288).

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

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, 1007997 + ... + 1008003.

Almost surely, 27056000 is an apocalyptic number.

7056000 is a gapful number since it is divisible by the number (70) 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 7056000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14738490).

7056000 is an abundant number, since it is smaller than the sum of its proper divisors (22420980).

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

7056000 is a wasteful number, since it uses less digits than its factorization.

7056000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 7056000 is about 2656.3132345414. The cubic root of 7056000 is about 191.8018789664.

The spelling of 7056000 in words is "seven million, fifty-six thousand".