Base | Representation |
---|---|
bin | 1000001011000… |
… | …10110001110111 |
3 | 11210000022102210 |
4 | 10011202301313 |
5 | 120022441124 |
6 | 10445304503 |
7 | 1461524220 |
oct | 405426167 |
9 | 153008383 |
10 | 68562039 |
11 | 35779747 |
12 | 1ab65133 |
13 | 11287170 |
14 | 916a247 |
15 | 6044a29 |
hex | 4162c77 |
68562039 has 16 divisors (see below), whose sum is σ = 112512512. Its totient is φ = 36164448.
The previous prime is 68562029. The next prime is 68562059. The reversal of 68562039 is 93026586.
It is not a de Polignac number, because 68562039 - 25 = 68562007 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 68561988 and 68562006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68562029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125299 + ... + 125844.
It is an arithmetic number, because the mean of its divisors is an integer number (7032032).
Almost surely, 268562039 is an apocalyptic number.
68562039 is a deficient number, since it is larger than the sum of its proper divisors (43950473).
68562039 is a wasteful number, since it uses less digits than its factorization.
68562039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 251166.
The product of its (nonzero) digits is 77760, while the sum is 39.
The square root of 68562039 is about 8280.2197434609. The cubic root of 68562039 is about 409.2869601403.
The spelling of 68562039 in words is "sixty-eight million, five hundred sixty-two thousand, thirty-nine".
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