Base | Representation |
---|---|
bin | 100110011000… |
… | …1110000100000 |
3 | 1101212112201021 |
4 | 1030301300200 |
5 | 20123024002 |
6 | 1555215224 |
7 | 333034402 |
oct | 114616040 |
9 | 41775637 |
10 | 20126752 |
11 | 103a7588 |
12 | 68a7514 |
13 | 4229029 |
14 | 295cb72 |
15 | 1b78737 |
hex | 1331c20 |
20126752 has 24 divisors (see below), whose sum is σ = 40548816. Its totient is φ = 9828672.
The previous prime is 20126749. The next prime is 20126761. The reversal of 20126752 is 25762102.
It is a super-2 number, since 2×201267522 = 810172292139008, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5938 + ... + 8689.
It is an arithmetic number, because the mean of its divisors is an integer number (1689534).
Almost surely, 220126752 is an apocalyptic number.
It is an amenable number.
20126752 is an abundant number, since it is smaller than the sum of its proper divisors (20422064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20126752 is a wasteful number, since it uses less digits than its factorization.
20126752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14680 (or 14672 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 20126752 is about 4486.2848772676. The cubic root of 20126752 is about 272.0139842868.
Adding to 20126752 its reverse (25762102), we get a palindrome (45888854).
The spelling of 20126752 in words is "twenty million, one hundred twenty-six thousand, seven hundred fifty-two".
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