Base | Representation |
---|---|
bin | 100110011000… |
… | …0001001100010 |
3 | 1101212012200012 |
4 | 1030300021202 |
5 | 20122321122 |
6 | 1555124522 |
7 | 333006236 |
oct | 114601142 |
9 | 41765605 |
10 | 20120162 |
11 | 103a2637 |
12 | 68a3742 |
13 | 422602a |
14 | 295a5c6 |
15 | 1b767e2 |
hex | 1330262 |
20120162 has 8 divisors (see below), whose sum is σ = 30288492. Its totient is φ = 10024000.
The previous prime is 20120161. The next prime is 20120189. The reversal of 20120162 is 26102102.
It can be written as a sum of positive squares in 2 ways, for example, as 19989841 + 130321 = 4471^2 + 361^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20120161) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17339 + ... + 18462.
Almost surely, 220120162 is an apocalyptic number.
20120162 is a deficient number, since it is larger than the sum of its proper divisors (10168330).
20120162 is a wasteful number, since it uses less digits than its factorization.
20120162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36084.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 20120162 is about 4485.5503564223. The cubic root of 20120162 is about 271.9842929944.
Adding to 20120162 its reverse (26102102), we get a palindrome (46222264).
The spelling of 20120162 in words is "twenty million, one hundred twenty thousand, one hundred sixty-two".
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