Base | Representation |
---|---|
bin | 100000111001111… |
… | …110011100011011 |
3 | 1102110211000010222 |
4 | 200321332130123 |
5 | 2112312201031 |
6 | 130440430255 |
7 | 16452336203 |
oct | 4071763433 |
9 | 1373730128 |
10 | 552068891 |
11 | 2636a0590 |
12 | 134a7838b |
13 | 8a4b60aa |
14 | 5346b403 |
15 | 33700e7b |
hex | 20e7e71b |
552068891 has 4 divisors (see below), whose sum is σ = 602256984. Its totient is φ = 501880800.
The previous prime is 552068887. The next prime is 552068893. The reversal of 552068891 is 198860255.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 552068891 - 22 = 552068887 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (552068893) 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 3 ways as a sum of consecutive naturals, for example, 25094030 + ... + 25094051.
It is an arithmetic number, because the mean of its divisors is an integer number (150564246).
Almost surely, 2552068891 is an apocalyptic number.
552068891 is a deficient number, since it is larger than the sum of its proper divisors (50188093).
552068891 is a wasteful number, since it uses less digits than its factorization.
552068891 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50188092.
The product of its (nonzero) digits is 172800, while the sum is 44.
The square root of 552068891 is about 23496.1463010426. The cubic root of 552068891 is about 820.3473102429.
The spelling of 552068891 in words is "five hundred fifty-two million, sixty-eight thousand, eight hundred ninety-one".
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