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532240 = 2456653
BaseRepresentation
bin10000001111100010000
31000001002121
42001330100
5114012430
615224024
74344502
oct2017420
91001077
10532240
11333975
12218014
13158347
14dbd72
15a7a7a
hex81f10

532240 has 20 divisors (see below), whose sum is σ = 1237644. Its totient is φ = 212864.

The previous prime is 532199. The next prime is 532241. The reversal of 532240 is 42235.

532240 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 80656 + 451584 = 284^2 + 672^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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

It is a d-powerful number, because it can be written as 55 + 36 + 2 + 219 + 46 + 0 .

532240 is an undulating number in base 15.

It is not an unprimeable number, because it can be changed into a prime (532241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3247 + ... + 3406.

2532240 is an apocalyptic number.

It is an amenable number.

532240 is an abundant number, since it is smaller than the sum of its proper divisors (705404).

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

532240 is a wasteful number, since it uses less digits than its factorization.

532240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6666 (or 6660 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 532240 is about 729.5478051506. The cubic root of 532240 is about 81.0405730789.

Adding to 532240 its reverse (42235), we get a palindrome (574475).

The spelling of 532240 in words is "five hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 6653 13306 26612 33265 53224 66530 106448 133060 266120 532240