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23328000 = 283653
BaseRepresentation
bin101100011111…
…1010100000000
31121220012000000
41120333110000
521432444000
62152000000
7402166443
oct130772400
947805000
1023328000
1112193743
127990000
134aaa167
14315365a
1520ac000
hex163f500

23328000 has 252 divisors, whose sum is σ = 87129588. Its totient is φ = 6220800.

The previous prime is 23327987. The next prime is 23328007. The reversal of 23328000 is 82332.

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 746496 + 22581504 = 864^2 + 4752^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23328007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4665598 + ... + 4665602.

Almost surely, 223328000 is an apocalyptic number.

23328000 is a gapful number since it is divisible by the number (20) 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 23328000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43564794).

23328000 is an abundant number, since it is smaller than the sum of its proper divisors (63801588).

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

23328000 is an frugal number, since it uses more digits than its factorization.

23328000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 23328000 is about 4829.9068313995. The cubic root of 23328000 is about 285.7321893543.

The spelling of 23328000 in words is "twenty-three million, three hundred twenty-eight thousand".