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552630223 = 23139172859
BaseRepresentation
bin100000111100000…
…111011111001111
31102111212112011001
4200330013133033
52112433131343
6130500441131
716460164555
oct4074073717
91374775131
10552630223
11263a442a2
121350a91a7
138a651742
1453575bd5
15337b244d
hex20f077cf

552630223 has 8 divisors (see below), whose sum is σ = 580809600. Its totient is φ = 524796888.

The previous prime is 552630209. The next prime is 552630227. The reversal of 552630223 is 322036255.

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

It is a de Polignac number, because none of the positive numbers 2k-552630223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 552630191 and 552630200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552630227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83233 + ... + 89626.

It is an arithmetic number, because the mean of its divisors is an integer number (72601200).

Almost surely, 2552630223 is an apocalyptic number.

552630223 is a deficient number, since it is larger than the sum of its proper divisors (28179377).

552630223 is a wasteful number, since it uses less digits than its factorization.

552630223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173021.

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

The square root of 552630223 is about 23508.0884590815. The cubic root of 552630223 is about 820.6252533407.

Adding to 552630223 its reverse (322036255), we get a palindrome (874666478).

The spelling of 552630223 in words is "five hundred fifty-two million, six hundred thirty thousand, two hundred twenty-three".

Divisors: 1 23 139 3197 172859 3975757 24027401 552630223