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552905 = 5110581
BaseRepresentation
bin10000110111111001001
31001002102222
42012333021
5120143110
615503425
74461653
oct2067711
91032388
10552905
11348451
12227b75
13164882
141056d3
15adc55
hex86fc9

552905 has 4 divisors (see below), whose sum is σ = 663492. Its totient is φ = 442320.

The previous prime is 552899. The next prime is 552913. The reversal of 552905 is 509255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 383161 + 169744 = 619^2 + 412^2 .

It is not a de Polignac number, because 552905 - 26 = 552841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55286 + ... + 55295.

It is an arithmetic number, because the mean of its divisors is an integer number (165873).

2552905 is an apocalyptic number.

It is an amenable number.

552905 is a deficient number, since it is larger than the sum of its proper divisors (110587).

552905 is a wasteful number, since it uses less digits than its factorization.

552905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110586.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 552905 is about 743.5758199404. The cubic root of 552905 is about 82.0761240344.

The spelling of 552905 in words is "five hundred fifty-two thousand, nine hundred five".

Divisors: 1 5 110581 552905