Base | Representation |
---|---|
bin | 11011100010101… |
… | …10100100011110 |
3 | 121002202010002120 |
4 | 31301112210132 |
5 | 433121310220 |
6 | 34532003410 |
7 | 5503550553 |
oct | 1561264436 |
9 | 532663076 |
10 | 231041310 |
11 | 109464835 |
12 | 65460566 |
13 | 38b35246 |
14 | 22982a2a |
15 | 1543ba40 |
hex | dc5691e |
231041310 has 64 divisors (see below), whose sum is σ = 567959040. Its totient is φ = 60128640.
The previous prime is 231041309. The next prime is 231041351. The reversal of 231041310 is 13140132.
It is a super-2 number, since 2×2310413102 = 106760173853032200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 231041310.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526071 + ... + 526509.
It is an arithmetic number, because the mean of its divisors is an integer number (8874360).
Almost surely, 2231041310 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231041310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283979520).
231041310 is an abundant number, since it is smaller than the sum of its proper divisors (336917730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231041310 is a wasteful number, since it uses less digits than its factorization.
231041310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 833.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 231041310 is about 15200.0430920442. The cubic root of 231041310 is about 613.6158174839.
Adding to 231041310 its reverse (13140132), we get a palindrome (244181442).
The spelling of 231041310 in words is "two hundred thirty-one million, forty-one thousand, three hundred ten".
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