Base | Representation |
---|---|
bin | 1000001110011… |
… | …00011100101010 |
3 | 11210211022011010 |
4 | 10013030130222 |
5 | 120130313413 |
6 | 10502444350 |
7 | 1465306122 |
oct | 407143452 |
9 | 153738133 |
10 | 68994858 |
11 | 35a44949 |
12 | 1b1336b6 |
13 | 113a917a |
14 | 923dc82 |
15 | 60ccdc3 |
hex | 41cc72a |
68994858 has 16 divisors (see below), whose sum is σ = 140050080. Its totient is φ = 22654896.
The previous prime is 68994853. The next prime is 68994869. The reversal of 68994858 is 85849986.
It is a junction number, because it is equal to n+sod(n) for n = 68994798 and 68994807.
It is not an unprimeable number, because it can be changed into a prime (68994851) 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, 85413 + ... + 86216.
It is an arithmetic number, because the mean of its divisors is an integer number (8753130).
Almost surely, 268994858 is an apocalyptic number.
68994858 is an abundant number, since it is smaller than the sum of its proper divisors (71055222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68994858 is a wasteful number, since it uses less digits than its factorization.
68994858 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171701.
The product of its digits is 4976640, while the sum is 57.
The square root of 68994858 is about 8306.3143451232. The cubic root of 68994858 is about 410.1464041896.
The spelling of 68994858 in words is "sixty-eight million, nine hundred ninety-four thousand, eight hundred fifty-eight".
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