Base | Representation |
---|---|
bin | 1110010111100… |
… | …10100100101010 |
3 | 22101210121210002 |
4 | 13023302210222 |
5 | 221323444432 |
6 | 15543223002 |
7 | 2662333016 |
oct | 713624452 |
9 | 271717702 |
10 | 120531242 |
11 | 620449a7 |
12 | 34447a62 |
13 | 1bc81980 |
14 | 12017546 |
15 | a8ace62 |
hex | 72f292a |
120531242 has 16 divisors (see below), whose sum is σ = 197898792. Its totient is φ = 54717120.
The previous prime is 120531239. The next prime is 120531251. The reversal of 120531242 is 242135021.
It can be written as a sum of positive squares in 4 ways, for example, as 43811161 + 76720081 = 6619^2 + 8759^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36413 + ... + 39584.
Almost surely, 2120531242 is an apocalyptic number.
120531242 is a deficient number, since it is larger than the sum of its proper divisors (77367550).
120531242 is a wasteful number, since it uses less digits than its factorization.
120531242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76073.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 120531242 is about 10978.6721419305. The cubic root of 120531242 is about 493.9692075416.
Adding to 120531242 its reverse (242135021), we get a palindrome (362666263).
The spelling of 120531242 in words is "one hundred twenty million, five hundred thirty-one thousand, two hundred forty-two".
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