Base | Representation |
---|---|
bin | 11000100000110… |
… | …00111011111001 |
3 | 112022220201202220 |
4 | 30100120323321 |
5 | 410114414113 |
6 | 32223114253 |
7 | 5044524030 |
oct | 1420307371 |
9 | 468821686 |
10 | 205623033 |
11 | a60836a0 |
12 | 58a42989 |
13 | 337a5845 |
14 | 1d447717 |
15 | 130ba523 |
hex | c418ef9 |
205623033 has 64 divisors (see below), whose sum is σ = 354680832. Its totient is φ = 102876480.
The previous prime is 205622999. The next prime is 205623107. The reversal of 205623033 is 330326502.
205623033 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 205623033 - 214 = 205606649 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 205622994 and 205623012.
It is not an unprimeable number, because it can be changed into a prime (205623133) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1261410 + ... + 1261572.
It is an arithmetic number, because the mean of its divisors is an integer number (5541888).
Almost surely, 2205623033 is an apocalyptic number.
It is an amenable number.
205623033 is a deficient number, since it is larger than the sum of its proper divisors (149057799).
205623033 is a wasteful number, since it uses less digits than its factorization.
205623033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 354.
The product of its (nonzero) digits is 3240, while the sum is 24.
The square root of 205623033 is about 14339.5618133889. The cubic root of 205623033 is about 590.2335884418.
Adding to 205623033 its reverse (330326502), we get a palindrome (535949535).
The spelling of 205623033 in words is "two hundred five million, six hundred twenty-three thousand, thirty-three".
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