Base | Representation |
---|---|
bin | 1110011000001… |
… | …00101100000010 |
3 | 22101221101120020 |
4 | 13030010230002 |
5 | 221333333232 |
6 | 15544554310 |
7 | 2663062236 |
oct | 714045402 |
9 | 271841506 |
10 | 120605442 |
11 | 62095721 |
12 | 34482996 |
13 | 1bca9689 |
14 | 120365c6 |
15 | a8c4e2c |
hex | 7304b02 |
120605442 has 8 divisors (see below), whose sum is σ = 241210896. Its totient is φ = 40201812.
The previous prime is 120605377. The next prime is 120605449. The reversal of 120605442 is 244506021.
It is a sphenic number, since it is the product of 3 distinct primes.
120605442 is an admirable number.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (120605449) 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, 10050448 + ... + 10050459.
It is an arithmetic number, because the mean of its divisors is an integer number (30151362).
Almost surely, 2120605442 is an apocalyptic number.
120605442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120605442 is a wasteful number, since it uses less digits than its factorization.
120605442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20100912.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 120605442 is about 10982.0509013572. The cubic root of 120605442 is about 494.0705505515.
The spelling of 120605442 in words is "one hundred twenty million, six hundred five thousand, four hundred forty-two".
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