Base | Representation |
---|---|
bin | 1000001010001… |
… | …00000110111100 |
3 | 11202202221002221 |
4 | 10011010012330 |
5 | 120004431122 |
6 | 10442455124 |
7 | 1460462032 |
oct | 405040674 |
9 | 152687087 |
10 | 68436412 |
11 | 356a3320 |
12 | 1ab044a4 |
13 | 11241c25 |
14 | 9136552 |
15 | 601c6c7 |
hex | 41441bc |
68436412 has 24 divisors (see below), whose sum is σ = 130983552. Its totient is φ = 31028400.
The previous prime is 68436397. The next prime is 68436427. The reversal of 68436412 is 21463486.
It is an interprime number because it is at equal distance from previous prime (68436397) and next prime (68436427).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17737 + ... + 21247.
It is an arithmetic number, because the mean of its divisors is an integer number (5457648).
Almost surely, 268436412 is an apocalyptic number.
It is an amenable number.
68436412 is a deficient number, since it is larger than the sum of its proper divisors (62547140).
68436412 is a wasteful number, since it uses less digits than its factorization.
68436412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3969 (or 3967 counting only the distinct ones).
The product of its digits is 27648, while the sum is 34.
The square root of 68436412 is about 8272.6302951359. The cubic root of 68436412 is about 409.0368269277.
Adding to 68436412 its reverse (21463486), we get a palindrome (89899898).
The spelling of 68436412 in words is "sixty-eight million, four hundred thirty-six thousand, four hundred twelve".
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