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552145403 = 3311668113
BaseRepresentation
bin100000111010010…
…001000111111011
31102110221220002202
4200322101013323
52112322123103
6130442220415
716453105235
oct4072210773
91373856082
10552145403
11263743017
12134ab470b
138a511b74
145348b255
1533718988
hex20e911fb

552145403 has 4 divisors (see below), whose sum is σ = 553813848. Its totient is φ = 550476960.

The previous prime is 552145381. The next prime is 552145417. The reversal of 552145403 is 304541255.

552145403 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, and also an emirpimes, since its reverse is a distinct semiprime: 304541255 = 560908251.

It is a cyclic number.

It is not a de Polignac number, because 552145403 - 28 = 552145147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552145463) 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, 833726 + ... + 834387.

It is an arithmetic number, because the mean of its divisors is an integer number (138453462).

Almost surely, 2552145403 is an apocalyptic number.

552145403 is a deficient number, since it is larger than the sum of its proper divisors (1668445).

552145403 is a wasteful number, since it uses less digits than its factorization.

552145403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668444.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 552145403 is about 23497.7744265281. The cubic root of 552145403 is about 820.3852061861.

Adding to 552145403 its reverse (304541255), we get a palindrome (856686658).

The spelling of 552145403 in words is "five hundred fifty-two million, one hundred forty-five thousand, four hundred three".

Divisors: 1 331 1668113 552145403