Base | Representation |
---|---|
bin | 11111000000101… |
… | …00011110101011 |
3 | 200010111000021112 |
4 | 33200110132223 |
5 | 1013043140411 |
6 | 41451300535 |
7 | 6306034430 |
oct | 1740243653 |
9 | 603430245 |
10 | 260130731 |
11 | 123923083 |
12 | 7314a74b |
13 | 41b7b913 |
14 | 26795b87 |
15 | 17c85b8b |
hex | f8147ab |
260130731 has 16 divisors (see below), whose sum is σ = 304570368. Its totient is φ = 217557600.
The previous prime is 260130727. The next prime is 260130737. The reversal of 260130731 is 137031062.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 260130731 - 22 = 260130727 is a prime.
It is a super-2 number, since 2×2601307312 = 135335994421188722, 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 = 260130697 and 260130706.
It is not an unprimeable number, because it can be changed into a prime (260130737) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69026 + ... + 72696.
It is an arithmetic number, because the mean of its divisors is an integer number (19035648).
Almost surely, 2260130731 is an apocalyptic number.
260130731 is a deficient number, since it is larger than the sum of its proper divisors (44439637).
260130731 is a wasteful number, since it uses less digits than its factorization.
260130731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3922.
The product of its (nonzero) digits is 756, while the sum is 23.
The square root of 260130731 is about 16128.5687833732. The cubic root of 260130731 is about 638.3573851887.
Adding to 260130731 its reverse (137031062), we get a palindrome (397161793).
The spelling of 260130731 in words is "two hundred sixty million, one hundred thirty thousand, seven hundred thirty-one".
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