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552664 = 23771139
BaseRepresentation
bin10000110111011011000
31001002010001
42012323120
5120141124
615502344
74461160
oct2067330
91032101
10552664
11348252
122279b4
13164728
141055a0
15adb44
hex86ed8

552664 has 32 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 231840.

The previous prime is 552659. The next prime is 552677. The reversal of 552664 is 466255.

552664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

552664 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3907 + ... + 4045.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2552664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604800).

552664 is an abundant number, since it is smaller than the sum of its proper divisors (656936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

552664 is a wasteful number, since it uses less digits than its factorization.

552664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 219 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 552664 is about 743.4137475188. The cubic root of 552664 is about 82.0641971991.

The spelling of 552664 in words is "five hundred fifty-two thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 71 139 142 278 284 497 556 568 973 994 1112 1946 1988 3892 3976 7784 9869 19738 39476 69083 78952 138166 276332 552664