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552078720 = 2733543743
BaseRepresentation
bin100000111010000…
…000110110000000
31102110211111122000
4200322000312000
52112313004340
6130440544000
716452406644
oct4072006600
91373744560
10552078720
112636a7a06
12134a82000
138a4ba6cb
1453470c24
1533703d30
hex20e80d80

552078720 has 256 divisors, whose sum is σ = 2003443200. Its totient is φ = 143603712.

The previous prime is 552078707. The next prime is 552078743. The reversal of 552078720 is 27870255.

552078720 is a `hidden beast` number, since 552 + 0 + 7 + 87 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 742669 + ... + 743411.

It is an arithmetic number, because the mean of its divisors is an integer number (7825950).

Almost surely, 2552078720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552078720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001721600).

552078720 is an abundant number, since it is smaller than the sum of its proper divisors (1451364480).

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

552078720 is a wasteful number, since it uses less digits than its factorization.

552078720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 552078720 is about 23496.3554620711. The cubic root of 552078720 is about 820.3521786848.

The spelling of 552078720 in words is "five hundred fifty-two million, seventy-eight thousand, seven hundred twenty".