Base | Representation |
---|---|
bin | 1110010110110… |
… | …00000000011110 |
3 | 22101121002112000 |
4 | 13023120000132 |
5 | 221312004210 |
6 | 15541023130 |
7 | 2661400542 |
oct | 713300036 |
9 | 271532460 |
10 | 120422430 |
11 | 61a80177 |
12 | 343b4aa6 |
13 | 1bc4429b |
14 | 11dc9a22 |
15 | a88aac0 |
hex | 72d801e |
120422430 has 32 divisors (see below), whose sum is σ = 321127200. Its totient is φ = 32112576.
The previous prime is 120422389. The next prime is 120422431. The reversal of 120422430 is 34224021.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120422431) 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, 222735 + ... + 223274.
It is an arithmetic number, because the mean of its divisors is an integer number (10035225).
Almost surely, 2120422430 is an apocalyptic number.
120422430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120422430 is an abundant number, since it is smaller than the sum of its proper divisors (200704770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120422430 is a wasteful number, since it uses less digits than its factorization.
120422430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446025 (or 446019 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 120422430 is about 10973.7154145713. The cubic root of 120422430 is about 493.8205159127.
Adding to 120422430 its reverse (34224021), we get a palindrome (154646451).
The spelling of 120422430 in words is "one hundred twenty million, four hundred twenty-two thousand, four hundred thirty".
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