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553384 = 231317313
BaseRepresentation
bin10000111000110101000
31001010002201
42013012220
5120202014
615505544
74463236
oct2070650
91033081
10553384
11348847
122282b4
13164b60
14105956
15ade74
hex871a8

553384 has 32 divisors (see below), whose sum is σ = 1186920. Its totient is φ = 239616.

The previous prime is 553369. The next prime is 553411. The reversal of 553384 is 483355.

It can be written as a sum of positive squares in 4 ways, for example, as 272484 + 280900 = 522^2 + 530^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1612 + ... + 1924.

2553384 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 553384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593460).

553384 is an abundant number, since it is smaller than the sum of its proper divisors (633536).

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

553384 is a wasteful number, since it uses less digits than its factorization.

553384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 345 counting only the distinct ones).

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

The square root of 553384 is about 743.8978424488. The cubic root of 553384 is about 82.0998189523.

The spelling of 553384 in words is "five hundred fifty-three thousand, three hundred eighty-four".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 221 313 442 626 884 1252 1768 2504 4069 5321 8138 10642 16276 21284 32552 42568 69173 138346 276692 553384