Base | Representation |
---|---|
bin | 11111101101111… |
… | …010110110101000 |
3 | 1101002022001211110 |
4 | 133231322312220 |
5 | 2042211144430 |
6 | 124445230320 |
7 | 16121020014 |
oct | 3755726650 |
9 | 1332261743 |
10 | 532131240 |
11 | 253413093 |
12 | 12a2623a0 |
13 | 86325174 |
14 | 5095b544 |
15 | 31ab37b0 |
hex | 1fb7ada8 |
532131240 has 32 divisors (see below), whose sum is σ = 1596394080. Its totient is φ = 141901632.
The previous prime is 532131217. The next prime is 532131241. The reversal of 532131240 is 42131235.
It is not an unprimeable number, because it can be changed into a prime (532131241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2217094 + ... + 2217333.
It is an arithmetic number, because the mean of its divisors is an integer number (49887315).
Almost surely, 2532131240 is an apocalyptic number.
It is an amenable number.
532131240 is an abundant number, since it is smaller than the sum of its proper divisors (1064262840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
532131240 is a wasteful number, since it uses less digits than its factorization.
532131240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4434441 (or 4434437 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 532131240 is about 23067.9700017145. The cubic root of 532131240 is about 810.3505265384.
Adding to 532131240 its reverse (42131235), we get a palindrome (574262475).
The spelling of 532131240 in words is "five hundred thirty-two million, one hundred thirty-one thousand, two hundred forty".
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