Base | Representation |
---|---|
bin | 11111000000101… |
… | …11010010010111 |
3 | 200010111121001110 |
4 | 33200113102113 |
5 | 1013044022411 |
6 | 41451430103 |
7 | 6306113106 |
oct | 1740272227 |
9 | 603447043 |
10 | 260142231 |
11 | 123930788 |
12 | 73155333 |
13 | 41b83c1b |
14 | 2679a03d |
15 | 17c892a6 |
hex | f817497 |
260142231 has 8 divisors (see below), whose sum is σ = 346973440. Its totient is φ = 173369592.
The previous prime is 260142221. The next prime is 260142241. The reversal of 260142231 is 132241062.
It is an interprime number because it is at equal distance from previous prime (260142221) and next prime (260142241).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 260142231 - 211 = 260140183 is a prime.
It is a super-2 number, since 2×2601422312 = 135347960699314722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 260142198 and 260142207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (260142221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2941 + ... + 22998.
It is an arithmetic number, because the mean of its divisors is an integer number (43371680).
Almost surely, 2260142231 is an apocalyptic number.
260142231 is a deficient number, since it is larger than the sum of its proper divisors (86831209).
260142231 is a wasteful number, since it uses less digits than its factorization.
260142231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29285.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 260142231 is about 16128.9252896775. The cubic root of 260142231 is about 638.3667919996.
Adding to 260142231 its reverse (132241062), we get a palindrome (392383293).
The spelling of 260142231 in words is "two hundred sixty million, one hundred forty-two thousand, two hundred thirty-one".
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