Base | Representation |
---|---|
bin | 11111000100000… |
… | …00000100100111 |
3 | 200011022101210202 |
4 | 33202000010213 |
5 | 1013201241211 |
6 | 41504541115 |
7 | 6312551321 |
oct | 1742000447 |
9 | 604271722 |
10 | 260571431 |
11 | 1240a419a |
12 | 7332179b |
13 | 41ca43a3 |
14 | 2686c611 |
15 | 17d2153b |
hex | f880127 |
260571431 has 6 divisors (see below), whose sum is σ = 266235720. Its totient is φ = 255025196.
The previous prime is 260571413. The next prime is 260571457. The reversal of 260571431 is 134175062.
It is a de Polignac number, because none of the positive numbers 2k-260571431 is a prime.
It is a super-2 number, since 2×2605714312 = 135794941306775522, 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 = 260571394 and 260571403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (260571331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56771 + ... + 61188.
It is an arithmetic number, because the mean of its divisors is an integer number (44372620).
Almost surely, 2260571431 is an apocalyptic number.
260571431 is a deficient number, since it is larger than the sum of its proper divisors (5664289).
260571431 is an equidigital number, since it uses as much as digits as its factorization.
260571431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118053 (or 118006 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 29.
The square root of 260571431 is about 16142.2250944534. The cubic root of 260571431 is about 638.7176724690.
The spelling of 260571431 in words is "two hundred sixty million, five hundred seventy-one thousand, four hundred thirty-one".
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