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552745 = 5227487
BaseRepresentation
bin10000110111100101001
31001002020001
42012330221
5120141440
615503001
74461334
oct2067451
91032201
10552745
11348316
12227a61
1316478b
1410561b
15adb9a
hex86f29

552745 has 8 divisors (see below), whose sum is σ = 667584. Its totient is φ = 439344.

The previous prime is 552731. The next prime is 552749. The reversal of 552745 is 547255.

552745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-552745 is a prime.

It is an Ulam number.

It is a Duffinian number.

552745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (552749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892 + ... + 1378.

It is an arithmetic number, because the mean of its divisors is an integer number (83448).

2552745 is an apocalyptic number.

It is an amenable number.

552745 is a deficient number, since it is larger than the sum of its proper divisors (114839).

552745 is a wasteful number, since it uses less digits than its factorization.

552745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719.

The product of its digits is 7000, while the sum is 28.

The square root of 552745 is about 743.4682239343. The cubic root of 552745 is about 82.0682061903.

It can be divided in two parts, 55 and 2745, that multiplied together give a triangular number (150975 = T549).

The spelling of 552745 in words is "five hundred fifty-two thousand, seven hundred forty-five".

Divisors: 1 5 227 487 1135 2435 110549 552745