Base | Representation |
---|---|
bin | 100110001101… |
… | …1010001000001 |
3 | 1101200212100011 |
4 | 1030123101001 |
5 | 20112102000 |
6 | 1553224521 |
7 | 332201662 |
oct | 114332101 |
9 | 41625304 |
10 | 20034625 |
11 | 10344346 |
12 | 6862141 |
13 | 41c6110 |
14 | 2937369 |
15 | 1b5b2ba |
hex | 131b441 |
20034625 has 16 divisors (see below), whose sum is σ = 26928720. Its totient is φ = 14793600.
The previous prime is 20034617. The next prime is 20034629. The reversal of 20034625 is 52643002.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 17048641 + 2985984 = 4129^2 + 1728^2 .
It is not a de Polignac number, because 20034625 - 23 = 20034617 is a prime.
It is a super-4 number, since 4×200346254 (a number of 30 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20034596 and 20034605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20034629) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4540 + ... + 7789.
It is an arithmetic number, because the mean of its divisors is an integer number (1683045).
Almost surely, 220034625 is an apocalyptic number.
20034625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20034625 is a deficient number, since it is larger than the sum of its proper divisors (6894095).
20034625 is a wasteful number, since it uses less digits than its factorization.
20034625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12357 (or 12347 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 20034625 is about 4476.0054736338. The cubic root of 20034625 is about 271.5983158660.
Adding to 20034625 its reverse (52643002), we get a palindrome (72677627).
The spelling of 20034625 in words is "twenty million, thirty-four thousand, six hundred twenty-five".
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