Base | Representation |
---|---|
bin | 1111100011000… |
… | …11110011101101 |
3 | 100002102122101121 |
4 | 13301203303231 |
5 | 231342312422 |
6 | 20535340541 |
7 | 3142440625 |
oct | 761436355 |
9 | 302378347 |
10 | 130432237 |
11 | 67697741 |
12 | 37821751 |
13 | 2103a450 |
14 | 13473885 |
15 | b6b68c7 |
hex | 7c63ced |
130432237 has 8 divisors (see below), whose sum is σ = 140797440. Its totient is φ = 120114480.
The previous prime is 130432231. The next prime is 130432243. The reversal of 130432237 is 732234031.
It is an interprime number because it is at equal distance from previous prime (130432231) and next prime (130432243).
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 130432237 - 23 = 130432229 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130432231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6037 + ... + 17242.
It is an arithmetic number, because the mean of its divisors is an integer number (17599680).
Almost surely, 2130432237 is an apocalyptic number.
It is an amenable number.
130432237 is a deficient number, since it is larger than the sum of its proper divisors (10365203).
130432237 is a wasteful number, since it uses less digits than its factorization.
130432237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23723.
The product of its (nonzero) digits is 3024, while the sum is 25.
The square root of 130432237 is about 11420.6933677426. The cubic root of 130432237 is about 507.1405230941.
Adding to 130432237 its reverse (732234031), we get a palindrome (862666268).
The spelling of 130432237 in words is "one hundred thirty million, four hundred thirty-two thousand, two hundred thirty-seven".
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