Base | Representation |
---|---|
bin | 1000001001100… |
… | …00001110000101 |
3 | 11202121210100210 |
4 | 10010300032011 |
5 | 114444324244 |
6 | 10441030033 |
7 | 1460002365 |
oct | 404601605 |
9 | 152553323 |
10 | 68354949 |
11 | 356480a3 |
12 | 1aa85319 |
13 | 11213b20 |
14 | 91149a5 |
15 | 60034b9 |
hex | 4130385 |
68354949 has 8 divisors (see below), whose sum is σ = 98150752. Its totient is φ = 42064560.
The previous prime is 68354939. The next prime is 68354983. The reversal of 68354949 is 94945386.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68354949 - 24 = 68354933 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 68354898 and 68354907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68354939) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876307 + ... + 876384.
It is an arithmetic number, because the mean of its divisors is an integer number (12268844).
Almost surely, 268354949 is an apocalyptic number.
It is an amenable number.
68354949 is a deficient number, since it is larger than the sum of its proper divisors (29795803).
68354949 is a wasteful number, since it uses less digits than its factorization.
68354949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1752707.
The product of its digits is 933120, while the sum is 48.
The square root of 68354949 is about 8267.7051834230. The cubic root of 68354949 is about 408.8744640562.
The spelling of 68354949 in words is "sixty-eight million, three hundred fifty-four thousand, nine hundred forty-nine".
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