Base | Representation |
---|---|
bin | 1110010011110… |
… | …00011111111110 |
3 | 22100212012220010 |
4 | 13021320133332 |
5 | 221211444410 |
6 | 15524404050 |
7 | 2655151164 |
oct | 711703776 |
9 | 270765803 |
10 | 120031230 |
11 | 61833270 |
12 | 34246626 |
13 | 1bb381c7 |
14 | 11d27234 |
15 | a80ec20 |
hex | 72787fe |
120031230 has 32 divisors (see below), whose sum is σ = 314264448. Its totient is φ = 29098400.
The previous prime is 120031229. The next prime is 120031243. The reversal of 120031230 is 32130021.
It is a happy number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181536 + ... + 182195.
It is an arithmetic number, because the mean of its divisors is an integer number (9820764).
Almost surely, 2120031230 is an apocalyptic number.
120031230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120031230 is an abundant number, since it is smaller than the sum of its proper divisors (194233218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120031230 is a wasteful number, since it uses less digits than its factorization.
120031230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 363752.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 120031230 is about 10955.8765053281. The cubic root of 120031230 is about 493.2851999342.
Adding to 120031230 its reverse (32130021), we get a palindrome (152161251).
The spelling of 120031230 in words is "one hundred twenty million, thirty-one thousand, two hundred thirty".
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