Base | Representation |
---|---|
bin | 1000001011001… |
… | …00010100100101 |
3 | 11210000122002210 |
4 | 10011210110211 |
5 | 120023141412 |
6 | 10445354033 |
7 | 1461551514 |
oct | 405442445 |
9 | 153018083 |
10 | 68568357 |
11 | 35783470 |
12 | 1ab68919 |
13 | 11289cc0 |
14 | 916c67b |
15 | 604683c |
hex | 4164525 |
68568357 has 16 divisors (see below), whose sum is σ = 107408448. Its totient is φ = 38359680.
The previous prime is 68568349. The next prime is 68568391. The reversal of 68568357 is 75386586.
It is not a de Polignac number, because 68568357 - 23 = 68568349 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68568257) 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, 79488 + ... + 80345.
It is an arithmetic number, because the mean of its divisors is an integer number (6713028).
Almost surely, 268568357 is an apocalyptic number.
It is an amenable number.
68568357 is a deficient number, since it is larger than the sum of its proper divisors (38840091).
68568357 is a wasteful number, since it uses less digits than its factorization.
68568357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159860.
The product of its digits is 1209600, while the sum is 48.
The square root of 68568357 is about 8280.6012462864. The cubic root of 68568357 is about 409.2995317014.
The spelling of 68568357 in words is "sixty-eight million, five hundred sixty-eight thousand, three hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •