Base | Representation |
---|---|
bin | 101011100101000… |
… | …011000101000110 |
3 | 1212221202100212111 |
4 | 223211003011012 |
5 | 2444132212410 |
6 | 200314411234 |
7 | 24055343563 |
oct | 5345030506 |
9 | 1787670774 |
10 | 731132230 |
11 | 345783514 |
12 | 184a30b1a |
13 | b861c82a |
14 | 6d15d86a |
15 | 442c1b8a |
hex | 2b943146 |
731132230 has 16 divisors (see below), whose sum is σ = 1334067264. Its totient is φ = 288446400.
The previous prime is 731132221. The next prime is 731132239. The reversal of 731132230 is 32231137.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (731132221) and next prime (731132239).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (731132239) 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, 500046 + ... + 501505.
It is an arithmetic number, because the mean of its divisors is an integer number (83379204).
Almost surely, 2731132230 is an apocalyptic number.
731132230 is a deficient number, since it is larger than the sum of its proper divisors (602935034).
731132230 is a wasteful number, since it uses less digits than its factorization.
731132230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1001631.
The product of its (nonzero) digits is 756, while the sum is 22.
The square root of 731132230 is about 27039.4569102266. The cubic root of 731132230 is about 900.8766068065.
Adding to 731132230 its reverse (32231137), we get a palindrome (763363367).
The spelling of 731132230 in words is "seven hundred thirty-one million, one hundred thirty-two thousand, two hundred thirty".
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