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552740 = 22529953
BaseRepresentation
bin10000110111100100100
31001002012212
42012330210
5120141430
615502552
74461326
oct2067444
91032185
10552740
11348311
12227a58
13164786
14105616
15adb95
hex86f24

552740 has 24 divisors (see below), whose sum is σ = 1202040. Its totient is φ = 213248.

The previous prime is 552731. The next prime is 552749. The reversal of 552740 is 47255.

It is an interprime number because it is at equal distance from previous prime (552731) and next prime (552749).

It can be written as a sum of positive squares in 4 ways, for example, as 45796 + 506944 = 214^2 + 712^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 552740.

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, 104 + ... + 1056.

It is an arithmetic number, because the mean of its divisors is an integer number (50085).

2552740 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 552740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601020).

552740 is an abundant number, since it is smaller than the sum of its proper divisors (649300).

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

552740 is a wasteful number, since it uses less digits than its factorization.

552740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 552740 is about 743.4648613082. The cubic root of 552740 is about 82.0679587330.

Adding to 552740 its reverse (47255), we get a palindrome (599995).

The spelling of 552740 in words is "five hundred fifty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 953 1906 3812 4765 9530 19060 27637 55274 110548 138185 276370 552740