Base | Representation |
---|---|
bin | 10111111110000… |
… | …000010110000111 |
3 | 1001000200100002020 |
4 | 113332000112013 |
5 | 1310421132221 |
6 | 103523014223 |
7 | 12652023402 |
oct | 2776002607 |
9 | 1030610066 |
10 | 402130311 |
11 | 196aa0500 |
12 | b280a373 |
13 | 6540913b |
14 | 3b59ad39 |
15 | 25484ac6 |
hex | 17f80587 |
402130311 has 12 divisors (see below), whose sum is σ = 589348536. Its totient is φ = 243715120.
The previous prime is 402130301. The next prime is 402130331. The reversal of 402130311 is 113031204.
It is not a de Polignac number, because 402130311 - 25 = 402130279 is a prime.
It is a super-3 number, since 3×4021303113 (a number of 27 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (402130301) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 553536 + ... + 554261.
It is an arithmetic number, because the mean of its divisors is an integer number (49112378).
Almost surely, 2402130311 is an apocalyptic number.
402130311 is a deficient number, since it is larger than the sum of its proper divisors (187218225).
402130311 is a wasteful number, since it uses less digits than its factorization.
402130311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1107822 (or 1107811 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 402130311 is about 20053.1870534337. The cubic root of 402130311 is about 738.1120066336.
Adding to 402130311 its reverse (113031204), we get a palindrome (515161515).
The spelling of 402130311 in words is "four hundred two million, one hundred thirty thousand, three hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •