Base | Representation |
---|---|
bin | 1000000110111… |
… | …11100010011101 |
3 | 11202000000001002 |
4 | 10003133202131 |
5 | 114403240402 |
6 | 10430000045 |
7 | 1454125043 |
oct | 403374235 |
9 | 152000032 |
10 | 68024477 |
11 | 35441884 |
12 | 1a946025 |
13 | 11129591 |
14 | 906a393 |
15 | 5e8a602 |
hex | 40df89d |
68024477 has 2 divisors, whose sum is σ = 68024478. Its totient is φ = 68024476.
The previous prime is 68024441. The next prime is 68024479. The reversal of 68024477 is 77442086.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 59197636 + 8826841 = 7694^2 + 2971^2 .
It is a cyclic number.
It is not a de Polignac number, because 68024477 - 214 = 68008093 is a prime.
It is a super-2 number, since 2×680244772 = 9254658942247058, which contains 22 as substring.
Together with 68024479, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68024477.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68024479) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34012238 + 34012239.
It is an arithmetic number, because the mean of its divisors is an integer number (34012239).
Almost surely, 268024477 is an apocalyptic number.
It is an amenable number.
68024477 is a deficient number, since it is larger than the sum of its proper divisors (1).
68024477 is an equidigital number, since it uses as much as digits as its factorization.
68024477 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 75264, while the sum is 38.
The square root of 68024477 is about 8247.6952538270. The cubic root of 68024477 is about 408.2144781756.
The spelling of 68024477 in words is "sixty-eight million, twenty-four thousand, four hundred seventy-seven".
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