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553284 = 223347109
BaseRepresentation
bin10000111000101000100
31001002222000
42013011010
5120201114
615505300
74463034
oct2070504
91032860
10553284
11348766
12228230
13164ab4
141058c4
15ade09
hex87144

553284 has 48 divisors (see below), whose sum is σ = 1478400. Its totient is φ = 178848.

The previous prime is 553279. The next prime is 553309. The reversal of 553284 is 482355.

It is a super-2 number, since 2×5532842 = 612246369312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

553284 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5022 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (30800).

2553284 is an apocalyptic number.

553284 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739200).

553284 is an abundant number, since it is smaller than the sum of its proper divisors (925116).

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

553284 is a wasteful number, since it uses less digits than its factorization.

553284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 161 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 553284 is about 743.8306258820. The cubic root of 553284 is about 82.0948733349.

The spelling of 553284 in words is "five hundred fifty-three thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 47 54 94 108 109 141 188 218 282 327 423 436 564 654 846 981 1269 1308 1692 1962 2538 2943 3924 5076 5123 5886 10246 11772 15369 20492 30738 46107 61476 92214 138321 184428 276642 553284