Base | Representation |
---|---|
bin | 1111111111111… |
… | …10101000110000 |
3 | 100100112200110011 |
4 | 13333332220300 |
5 | 233324242034 |
6 | 21152344304 |
7 | 3216533023 |
oct | 777765060 |
9 | 310480404 |
10 | 134212144 |
11 | 69839630 |
12 | 38b45094 |
13 | 21a61a91 |
14 | 13b791ba |
15 | bbb1864 |
hex | 7ffea30 |
134212144 has 80 divisors (see below), whose sum is σ = 310265856. Its totient is φ = 55526400.
The previous prime is 134212109. The next prime is 134212151. The reversal of 134212144 is 441212431.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92029 + ... + 93475.
Almost surely, 2134212144 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 134212144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155132928).
134212144 is an abundant number, since it is smaller than the sum of its proper divisors (176053712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
134212144 is a wasteful number, since it uses less digits than its factorization.
134212144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1514 (or 1508 counting only the distinct ones).
The product of its digits is 768, while the sum is 22.
The square root of 134212144 is about 11584.9965040996. The cubic root of 134212144 is about 511.9928994784.
Adding to 134212144 its reverse (441212431), we get a palindrome (575424575).
The spelling of 134212144 in words is "one hundred thirty-four million, two hundred twelve thousand, one hundred forty-four".
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