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552106681 = 7283278701
BaseRepresentation
bin100000111010000…
…111101010111001
31102110212220222121
4200322013222321
52112314403211
6130441321241
716452554320
oct4072075271
91373786877
10552106681
11263716a15
12134a96221
138a4ca359
145347b0b7
153370c271
hex20e87ab9

552106681 has 8 divisors (see below), whose sum is σ = 633210944. Its totient is φ = 471560400.

The previous prime is 552106673. The next prime is 552106699. The reversal of 552106681 is 186601255.

It is a happy number.

552106681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 552106681 - 23 = 552106673 is a prime.

It is a super-2 number, since 2×5521066812 = 609643574409671522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552106661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137370 + ... + 141331.

It is an arithmetic number, because the mean of its divisors is an integer number (79151368).

Almost surely, 2552106681 is an apocalyptic number.

It is an amenable number.

552106681 is a deficient number, since it is larger than the sum of its proper divisors (81104263).

552106681 is a wasteful number, since it uses less digits than its factorization.

552106681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278991.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 552106681 is about 23496.9504617089. The cubic root of 552106681 is about 820.3660278451.

The spelling of 552106681 in words is "five hundred fifty-two million, one hundred six thousand, six hundred eighty-one".

Divisors: 1 7 283 1981 278701 1950907 78872383 552106681