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552323143 = 6737921751
BaseRepresentation
bin100000111010111…
…100100001000111
31102111021220220201
4200322330201013
52112343320033
6130450111331
716454445361
oct4072744107
91374256821
10552323143
11263854609
12134b7b547
138a574a38
14534d5d31
153375147d
hex20ebc847

552323143 has 8 divisors (see below), whose sum is σ = 562071680. Its totient is φ = 542619000.

The previous prime is 552323111. The next prime is 552323159. The reversal of 552323143 is 341323255.

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 552323143 - 25 = 552323111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552323543) 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, 14518 + ... + 36268.

It is an arithmetic number, because the mean of its divisors is an integer number (70258960).

Almost surely, 2552323143 is an apocalyptic number.

552323143 is a deficient number, since it is larger than the sum of its proper divisors (9748537).

552323143 is a wasteful number, since it uses less digits than its factorization.

552323143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22197.

The product of its digits is 10800, while the sum is 28.

The square root of 552323143 is about 23501.5561825169. The cubic root of 552323143 is about 820.4732262513.

Adding to 552323143 its reverse (341323255), we get a palindrome (893646398).

The spelling of 552323143 in words is "five hundred fifty-two million, three hundred twenty-three thousand, one hundred forty-three".

Divisors: 1 67 379 21751 25393 1457317 8243629 552323143