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552123989 = 1134886053
BaseRepresentation
bin100000111010001…
…011111001010101
31102110220210201122
4200322023321111
52112320431424
6130441533325
716452655634
oct4072137125
91373823648
10552123989
11263728a1a
12134aa4245
138a5051b1
145348351b
153371245e
hex20e8be55

552123989 has 4 divisors (see below), whose sum is σ = 557010156. Its totient is φ = 547237824.

The previous prime is 552123973. The next prime is 552124009. The reversal of 552123989 is 989321255.

552123989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 264550225 + 287573764 = 16265^2 + 16958^2 .

It is a cyclic number.

It is not a de Polignac number, because 552123989 - 24 = 552123973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552123389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2442914 + ... + 2443139.

It is an arithmetic number, because the mean of its divisors is an integer number (139252539).

Almost surely, 2552123989 is an apocalyptic number.

It is an amenable number.

552123989 is a deficient number, since it is larger than the sum of its proper divisors (4886167).

552123989 is a wasteful number, since it uses less digits than its factorization.

552123989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886166.

The product of its digits is 194400, while the sum is 44.

The square root of 552123989 is about 23497.3187619354. The cubic root of 552123989 is about 820.3746003108.

The spelling of 552123989 in words is "five hundred fifty-two million, one hundred twenty-three thousand, nine hundred eighty-nine".

Divisors: 1 113 4886053 552123989