Base | Representation |
---|---|
bin | 1000001000010… |
… | …10000111100011 |
3 | 11202022212021120 |
4 | 10010022013203 |
5 | 114424331013 |
6 | 10433423323 |
7 | 1455452364 |
oct | 404120743 |
9 | 152285246 |
10 | 68198883 |
11 | 35550915 |
12 | 1aa0ab43 |
13 | 1118aa8c |
14 | 90b3b6b |
15 | 5ec2123 |
hex | 410a1e3 |
68198883 has 16 divisors (see below), whose sum is σ = 97505280. Its totient is φ = 42247296.
The previous prime is 68198869. The next prime is 68198899. The reversal of 68198883 is 38889186.
It is a happy number.
It is not a de Polignac number, because 68198883 - 212 = 68194787 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (68198803) 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, 4435 + ... + 12492.
It is an arithmetic number, because the mean of its divisors is an integer number (6094080).
Almost surely, 268198883 is an apocalyptic number.
68198883 is a deficient number, since it is larger than the sum of its proper divisors (29306397).
68198883 is a wasteful number, since it uses less digits than its factorization.
68198883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17026.
The product of its digits is 663552, while the sum is 51.
The square root of 68198883 is about 8258.2614998558. The cubic root of 68198883 is about 408.5630502335.
The spelling of 68198883 in words is "sixty-eight million, one hundred ninety-eight thousand, eight hundred eighty-three".
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