Base | Representation |
---|---|
bin | 11000101010100… |
… | …01011101010101 |
3 | 112102022202201201 |
4 | 30111101131111 |
5 | 410431400000 |
6 | 32310352501 |
7 | 5061435052 |
oct | 1425213525 |
9 | 472282651 |
10 | 206903125 |
11 | a6878420 |
12 | 5935b731 |
13 | 33b333b0 |
14 | 1d69c029 |
15 | 1326e96a |
hex | c551755 |
206903125 has 48 divisors (see below), whose sum is σ = 304480512. Its totient is φ = 138600000.
The previous prime is 206903119. The next prime is 206903129. The reversal of 206903125 is 521309602.
206903125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 206903125 - 23 = 206903117 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 206903093 and 206903102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (206903129) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 446644 + ... + 447106.
It is an arithmetic number, because the mean of its divisors is an integer number (6343344).
Almost surely, 2206903125 is an apocalyptic number.
206903125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
206903125 is a deficient number, since it is larger than the sum of its proper divisors (97577387).
206903125 is an equidigital number, since it uses as much as digits as its factorization.
206903125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 512 (or 492 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 28.
The square root of 206903125 is about 14384.1275369763. The cubic root of 206903125 is about 591.4558750088.
It can be divided in two parts, 20 and 6903125, that multiplied together give a square (138062500 = 117502).
The spelling of 206903125 in words is "two hundred six million, nine hundred three thousand, one hundred twenty-five".
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