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552115123 = 7103765763
BaseRepresentation
bin100000111010001…
…001101110110011
31102110220100120021
4200322021232303
52112320140443
6130441424311
716452621040
oct4072115663
91373810507
10552115123
1126372229a
12134a9b097
138a501151
14534801c7
153370e9ed
hex20e89bb3

552115123 has 8 divisors (see below), whose sum is σ = 637115648. Its totient is φ = 468646344.

The previous prime is 552115093. The next prime is 552115139. The reversal of 552115123 is 321511255.

552115123 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 552115123 - 29 = 552114611 is a prime.

It is a super-2 number, since 2×5521151232 = 609662218090610258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552115163) 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, 382161 + ... + 383602.

It is an arithmetic number, because the mean of its divisors is an integer number (79639456).

Almost surely, 2552115123 is an apocalyptic number.

552115123 is a deficient number, since it is larger than the sum of its proper divisors (85000525).

552115123 is a wasteful number, since it uses less digits than its factorization.

552115123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765873.

The product of its digits is 1500, while the sum is 25.

The square root of 552115123 is about 23497.1301013549. The cubic root of 552115123 is about 820.3702090990.

Adding to 552115123 its reverse (321511255), we get a palindrome (873626378).

The spelling of 552115123 in words is "five hundred fifty-two million, one hundred fifteen thousand, one hundred twenty-three".

Divisors: 1 7 103 721 765763 5360341 78873589 552115123