Base | Representation |
---|---|
bin | 1000001001100… |
… | …01000000001011 |
3 | 11202121221202112 |
4 | 10010301000023 |
5 | 114444430110 |
6 | 10441052535 |
7 | 1460014625 |
oct | 404610013 |
9 | 152557675 |
10 | 68358155 |
11 | 3564a548 |
12 | 1aa8714b |
13 | 11215418 |
14 | 9115c15 |
15 | 6004405 |
hex | 413100b |
68358155 has 8 divisors (see below), whose sum is σ = 82298832. Its totient is φ = 54507168.
The previous prime is 68358137. The next prime is 68358179. The reversal of 68358155 is 55185386.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68358155 - 28 = 68357899 is a prime.
It is a Duffinian 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, 20732 + ... + 23801.
It is an arithmetic number, because the mean of its divisors is an integer number (10287354).
Almost surely, 268358155 is an apocalyptic number.
68358155 is a deficient number, since it is larger than the sum of its proper divisors (13940677).
68358155 is a wasteful number, since it uses less digits than its factorization.
68358155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44845.
The product of its digits is 144000, while the sum is 41.
The square root of 68358155 is about 8267.8990680825. The cubic root of 68358155 is about 408.8808563319.
The spelling of 68358155 in words is "sixty-eight million, three hundred fifty-eight thousand, one hundred fifty-five".
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