Base | Representation |
---|---|
bin | 1110010101111… |
… | …11010100000100 |
3 | 22101101221202212 |
4 | 13022333110010 |
5 | 221300240114 |
6 | 15534522552 |
7 | 2660466626 |
oct | 712772404 |
9 | 271357685 |
10 | 120321284 |
11 | 61a11186 |
12 | 34366458 |
13 | 1bc0a235 |
14 | 11da0c16 |
15 | a86ab3e |
hex | 72bf504 |
120321284 has 6 divisors (see below), whose sum is σ = 210562254. Its totient is φ = 60160640.
The previous prime is 120321283. The next prime is 120321287. The reversal of 120321284 is 482123021.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 117505600 + 2815684 = 10840^2 + 1678^2 .
It is a super-2 number, since 2×1203212842 = 28954422766817312, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (120321283) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15040157 + ... + 15040164.
It is an arithmetic number, because the mean of its divisors is an integer number (35093709).
Almost surely, 2120321284 is an apocalyptic number.
It is an amenable number.
120321284 is a deficient number, since it is larger than the sum of its proper divisors (90240970).
120321284 is a wasteful number, since it uses less digits than its factorization.
120321284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30080325 (or 30080323 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 120321284 is about 10969.1058888134. The cubic root of 120321284 is about 493.6822195266.
The spelling of 120321284 in words is "one hundred twenty million, three hundred twenty-one thousand, two hundred eighty-four".
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