Base | Representation |
---|---|
bin | 1000001000111… |
… | …0000101100100 |
3 | 2101020022100212 |
4 | 2002032011210 |
5 | 32214331140 |
6 | 3215354552 |
7 | 563104043 |
oct | 202160544 |
9 | 71208325 |
10 | 34136420 |
11 | 182a621a |
12 | b522a58 |
13 | 70c2986 |
14 | 476855a |
15 | 2ee4765 |
hex | 208e164 |
34136420 has 12 divisors (see below), whose sum is σ = 71686524. Its totient is φ = 13654560.
The previous prime is 34136413. The next prime is 34136423. The reversal of 34136420 is 2463143.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 9375844 + 24760576 = 3062^2 + 4976^2 .
It is not an unprimeable number, because it can be changed into a prime (34136423) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853391 + ... + 853430.
It is an arithmetic number, because the mean of its divisors is an integer number (5973877).
Almost surely, 234136420 is an apocalyptic number.
It is an amenable number.
34136420 is an abundant number, since it is smaller than the sum of its proper divisors (37550104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34136420 is a wasteful number, since it uses less digits than its factorization.
34136420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1706830 (or 1706828 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 34136420 is about 5842.6381027751. The cubic root of 34136420 is about 324.3938841203.
Adding to 34136420 its reverse (2463143), we get a palindrome (36599563).
The spelling of 34136420 in words is "thirty-four million, one hundred thirty-six thousand, four hundred twenty".
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