Base | Representation |
---|---|
bin | 1110010101001… |
… | …11100010000110 |
3 | 22101020000011020 |
4 | 13022213202012 |
5 | 221234131003 |
6 | 15532452010 |
7 | 2656612635 |
oct | 712474206 |
9 | 271200136 |
10 | 120223878 |
11 | 61954a85 |
12 | 3431a006 |
13 | 1bba4ab8 |
14 | 11d7751c |
15 | a84bd53 |
hex | 72a7886 |
120223878 has 16 divisors (see below), whose sum is σ = 246946800. Its totient is φ = 38991456.
The previous prime is 120223877. The next prime is 120223889. The reversal of 120223878 is 878322021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120223871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270553 + ... + 270996.
It is an arithmetic number, because the mean of its divisors is an integer number (15434175).
Almost surely, 2120223878 is an apocalyptic number.
120223878 is an abundant number, since it is smaller than the sum of its proper divisors (126722922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120223878 is a wasteful number, since it uses less digits than its factorization.
120223878 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 541591.
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 120223878 is about 10964.6649743620. The cubic root of 120223878 is about 493.5489635446.
Adding to 120223878 its reverse (878322021), we get a palindrome (998545899).
The spelling of 120223878 in words is "one hundred twenty million, two hundred twenty-three thousand, eight hundred seventy-eight".
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