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552205145 = 55310320231
BaseRepresentation
bin100000111010011…
…111101101011001
31102111001221001102
4200322133231121
52112331031040
6130443401145
716453444352
oct4072375531
91374057042
10552205145
11263783998
12134b231b5
138a53310b
14534a4d29
153372b515
hex20e9fb59

552205145 has 16 divisors (see below), whose sum is σ = 681737472. Its totient is φ = 429199680.

The previous prime is 552205141. The next prime is 552205219. The reversal of 552205145 is 541502255.

It is not a de Polignac number, because 552205145 - 22 = 552205141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552205141) 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 15 ways as a sum of consecutive naturals, for example, 17180 + ... + 37410.

It is an arithmetic number, because the mean of its divisors is an integer number (42608592).

Almost surely, 2552205145 is an apocalyptic number.

It is an amenable number.

552205145 is a deficient number, since it is larger than the sum of its proper divisors (129532327).

552205145 is a wasteful number, since it uses less digits than its factorization.

552205145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20392.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 552205145 is about 23499.0456189182. The cubic root of 552205145 is about 820.4147936131.

The spelling of 552205145 in words is "five hundred fifty-two million, two hundred five thousand, one hundred forty-five".

Divisors: 1 5 53 103 265 515 5459 20231 27295 101155 1072243 2083793 5361215 10418965 110441029 552205145