Base | Representation |
---|---|
bin | 11111101100110… |
… | …001010110001000 |
3 | 1101001201202211001 |
4 | 133230301112020 |
5 | 2042122031102 |
6 | 124434544344 |
7 | 16115324140 |
oct | 3754612610 |
9 | 1331652731 |
10 | 531830152 |
11 | 253227957 |
12 | 12a1380b4 |
13 | 8624b0c9 |
14 | 508bd920 |
15 | 31a54487 |
hex | 1fb31588 |
531830152 has 16 divisors (see below), whose sum is σ = 1139636160. Its totient is φ = 227927184.
The previous prime is 531830137. The next prime is 531830179. The reversal of 531830152 is 251038135.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 531830152.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4748428 + ... + 4748539.
It is an arithmetic number, because the mean of its divisors is an integer number (71227260).
Almost surely, 2531830152 is an apocalyptic number.
It is an amenable number.
531830152 is an abundant number, since it is smaller than the sum of its proper divisors (607806008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
531830152 is a wasteful number, since it uses less digits than its factorization.
531830152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9496980 (or 9496976 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 28.
The square root of 531830152 is about 23061.4429730665. The cubic root of 531830152 is about 810.1976614602.
Adding to 531830152 its reverse (251038135), we get a palindrome (782868287).
The spelling of 531830152 in words is "five hundred thirty-one million, eight hundred thirty thousand, one hundred fifty-two".
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