Base | Representation |
---|---|
bin | 1110010110001… |
… | …00111101111010 |
3 | 22101110010112120 |
4 | 13023010331322 |
5 | 221302010232 |
6 | 15535222110 |
7 | 2660624301 |
oct | 713047572 |
9 | 271403476 |
10 | 120344442 |
11 | 61a27619 |
12 | 34377936 |
13 | 1bc1793a |
14 | 11da9438 |
15 | a87292c |
hex | 72c4f7a |
120344442 has 32 divisors (see below), whose sum is σ = 256845120. Its totient is φ = 37480320.
The previous prime is 120344437. The next prime is 120344443. The reversal of 120344442 is 244443021.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (120344443) 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, 1092 + ... + 15552.
It is an arithmetic number, because the mean of its divisors is an integer number (8026410).
Almost surely, 2120344442 is an apocalyptic number.
120344442 is an abundant number, since it is smaller than the sum of its proper divisors (136500678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120344442 is a wasteful number, since it uses less digits than its factorization.
120344442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14558.
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 120344442 is about 10970.1614391038. The cubic root of 120344442 is about 493.7138901755.
Adding to 120344442 its reverse (244443021), we get a palindrome (364787463).
It can be divided in two parts, 120344 and 442, that added together give a triangular number (120786 = T491).
The spelling of 120344442 in words is "one hundred twenty million, three hundred forty-four thousand, four hundred forty-two".
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