Base | Representation |
---|---|
bin | 1000001001111… |
… | …00001111001111 |
3 | 11202201021212222 |
4 | 10010330033033 |
5 | 120002413200 |
6 | 10442045555 |
7 | 1460266040 |
oct | 404741717 |
9 | 152637788 |
10 | 68404175 |
11 | 35681084 |
12 | 1aaa98bb |
13 | 11230358 |
14 | 91288c7 |
15 | 6012d85 |
hex | 413c3cf |
68404175 has 24 divisors (see below), whose sum is σ = 102645216. Its totient is φ = 44144640.
The previous prime is 68404159. The next prime is 68404177. The reversal of 68404175 is 57140486.
It is not a de Polignac number, because 68404175 - 24 = 68404159 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68404177) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8522 + ... + 14471.
It is an arithmetic number, because the mean of its divisors is an integer number (4276884).
Almost surely, 268404175 is an apocalyptic number.
68404175 is a deficient number, since it is larger than the sum of its proper divisors (34241041).
68404175 is a wasteful number, since it uses less digits than its factorization.
68404175 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23027 (or 23022 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 68404175 is about 8270.6816526814. The cubic root of 68404175 is about 408.9725911854.
The spelling of 68404175 in words is "sixty-eight million, four hundred four thousand, one hundred seventy-five".
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