Base | Representation |
---|---|
bin | 111101010010… |
… | …0010100011011 |
3 | 2020110101112021 |
4 | 1322210110123 |
5 | 31211132311 |
6 | 3104355311 |
7 | 540050302 |
oct | 172442433 |
9 | 66411467 |
10 | 32130331 |
11 | 17155aa2 |
12 | a915b37 |
13 | 686c83c |
14 | 43a5439 |
15 | 2c4a171 |
hex | 1ea451b |
32130331 has 8 divisors (see below), whose sum is σ = 32958464. Its totient is φ = 31305960.
The previous prime is 32130277. The next prime is 32130337. The reversal of 32130331 is 13303123.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 32130331 - 217 = 31999259 is a prime.
It is a super-2 number, since 2×321303312 = 2064716340339122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (32130337) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25486 + ... + 26716.
It is an arithmetic number, because the mean of its divisors is an integer number (4119808).
Almost surely, 232130331 is an apocalyptic number.
32130331 is a deficient number, since it is larger than the sum of its proper divisors (828133).
32130331 is a wasteful number, since it uses less digits than its factorization.
32130331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1881.
The product of its (nonzero) digits is 162, while the sum is 16.
The square root of 32130331 is about 5668.3622855283. The cubic root of 32130331 is about 317.9106423243.
Adding to 32130331 its reverse (13303123), we get a palindrome (45433454).
The spelling of 32130331 in words is "thirty-two million, one hundred thirty thousand, three hundred thirty-one".
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