Base | Representation |
---|---|
bin | 1000001010011… |
… | …00110111110111 |
3 | 11202211202100112 |
4 | 10011030313313 |
5 | 120012103221 |
6 | 10443333235 |
7 | 1461001505 |
oct | 405146767 |
9 | 152752315 |
10 | 68472311 |
11 | 35718296 |
12 | 1ab2121b |
13 | 1125537b |
14 | 9145675 |
15 | 602815b |
hex | 414cdf7 |
68472311 has 16 divisors (see below), whose sum is σ = 77713344. Its totient is φ = 59963904.
The previous prime is 68472293. The next prime is 68472319. The reversal of 68472311 is 11327486.
It is a cyclic number.
It is not a de Polignac number, because 68472311 - 26 = 68472247 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68472319) 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, 12101 + ... + 16833.
It is an arithmetic number, because the mean of its divisors is an integer number (4857084).
Almost surely, 268472311 is an apocalyptic number.
68472311 is a deficient number, since it is larger than the sum of its proper divisors (9241033).
68472311 is a wasteful number, since it uses less digits than its factorization.
68472311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4810.
The product of its digits is 8064, while the sum is 32.
The square root of 68472311 is about 8274.7997558853. The cubic root of 68472311 is about 409.1083358697.
Adding to 68472311 its reverse (11327486), we get a palindrome (79799797).
The spelling of 68472311 in words is "sixty-eight million, four hundred seventy-two thousand, three hundred eleven".
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