Base | Representation |
---|---|
bin | 100110011000… |
… | …1011111010100 |
3 | 1101212111012112 |
4 | 1030301133110 |
5 | 20123010102 |
6 | 1555210152 |
7 | 333031241 |
oct | 114613724 |
9 | 41774175 |
10 | 20125652 |
11 | 103a6778 |
12 | 68a6958 |
13 | 4228691 |
14 | 295c5c8 |
15 | 1b78252 |
hex | 13317d4 |
20125652 has 12 divisors (see below), whose sum is σ = 36434580. Its totient is φ = 9715776.
The previous prime is 20125649. The next prime is 20125697. The reversal of 20125652 is 25652102.
It can be written as a sum of positive squares in 2 ways, for example, as 16613776 + 3511876 = 4076^2 + 1874^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86633 + ... + 86864.
It is an arithmetic number, because the mean of its divisors is an integer number (3036215).
Almost surely, 220125652 is an apocalyptic number.
It is an amenable number.
20125652 is a deficient number, since it is larger than the sum of its proper divisors (16308928).
20125652 is a wasteful number, since it uses less digits than its factorization.
20125652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173530 (or 173528 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 20125652 is about 4486.1622797219. The cubic root of 20125652 is about 272.0090286795.
Adding to 20125652 its reverse (25652102), we get a palindrome (45777754).
The spelling of 20125652 in words is "twenty million, one hundred twenty-five thousand, six hundred fifty-two".
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