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552645 = 32512281
BaseRepresentation
bin10000110111011000101
31001002002100
42012323011
5120141040
615502313
74461132
oct2067305
91032070
10552645
11348235
12227999
13164712
14105589
15adb30
hex86ec5

552645 has 12 divisors (see below), whose sum is σ = 957996. Its totient is φ = 294720.

The previous prime is 552611. The next prime is 552649. The reversal of 552645 is 546255.

552645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 352836 + 199809 = 594^2 + 447^2 .

It is not a de Polignac number, because 552645 - 26 = 552581 is a prime.

552645 is a lucky number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6096 + ... + 6185.

It is an arithmetic number, because the mean of its divisors is an integer number (79833).

2552645 is an apocalyptic number.

It is an amenable number.

552645 is a deficient number, since it is larger than the sum of its proper divisors (405351).

552645 is a wasteful number, since it uses less digits than its factorization.

552645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12292 (or 12289 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 552645 is about 743.4009685224. The cubic root of 552645 is about 82.0632567618.

Subtracting from 552645 its product of digits (6000), we obtain a palindrome (546645).

It can be divided in two parts, 5 and 52645, that added together give a triangular number (52650 = T324).

The spelling of 552645 in words is "five hundred fifty-two thousand, six hundred forty-five".

Divisors: 1 3 5 9 15 45 12281 36843 61405 110529 184215 552645