Base | Representation |
---|---|
bin | 1000001010000… |
… | …0100100110000 |
3 | 2101101011020110 |
4 | 2002200210300 |
5 | 32224242034 |
6 | 3221141320 |
7 | 563540601 |
oct | 202404460 |
9 | 71334213 |
10 | 34212144 |
11 | 183480aa |
12 | b55a840 |
13 | 711b295 |
14 | 4787da8 |
15 | 300bde9 |
hex | 20a0930 |
34212144 has 40 divisors (see below), whose sum is σ = 88643632. Its totient is φ = 11370240.
The previous prime is 34212137. The next prime is 34212169. The reversal of 34212144 is 44121243.
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 34212144.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19362 + ... + 21054.
Almost surely, 234212144 is an apocalyptic number.
It is an amenable number.
34212144 is an abundant number, since it is smaller than the sum of its proper divisors (54431488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34212144 is a wasteful number, since it uses less digits than its factorization.
34212144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2125 (or 2119 counting only the distinct ones).
The product of its digits is 768, while the sum is 21.
The square root of 34212144 is about 5849.1148048230. The cubic root of 34212144 is about 324.6335720283.
Adding to 34212144 its reverse (44121243), we get a palindrome (78333387).
Subtracting 34212144 from its reverse (44121243), we obtain a palindrome (9909099).
It can be divided in two parts, 3421 and 2144, that added together give a triangular number (5565 = T105).
The spelling of 34212144 in words is "thirty-four million, two hundred twelve thousand, one hundred forty-four".
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