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552400 = 24521381
BaseRepresentation
bin10000110110111010000
31001001202021
42012313100
5120134100
615501224
74460332
oct2066720
91031667
10552400
11348032
12227814
13164584
14105452
15ada1a
hex86dd0

552400 has 30 divisors (see below), whose sum is σ = 1328102. Its totient is φ = 220800.

The previous prime is 552397. The next prime is 552401. The reversal of 552400 is 4255.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 28224 + 524176 = 168^2 + 724^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 291 + ... + 1090.

2552400 is an apocalyptic number.

552400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

552400 is an abundant number, since it is smaller than the sum of its proper divisors (775702).

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

552400 is a wasteful number, since it uses less digits than its factorization.

552400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 552400 is about 743.2361670425. The cubic root of 552400 is about 82.0511281381.

Adding to 552400 its reverse (4255), we get a palindrome (556655).

The spelling of 552400 in words is "five hundred fifty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 1381 2762 5524 6905 11048 13810 22096 27620 34525 55240 69050 110480 138100 276200 552400