Base | Representation |
---|---|
bin | 11000011111000… |
… | …00100010000001 |
3 | 112022110222212011 |
4 | 30033200202001 |
5 | 410040021001 |
6 | 32214132521 |
7 | 5042542333 |
oct | 1417404201 |
9 | 468428764 |
10 | 205392001 |
11 | a5a36061 |
12 | 58951141 |
13 | 33724639 |
14 | 1d3c7453 |
15 | 13071d51 |
hex | c3e0881 |
205392001 has 16 divisors (see below), whose sum is σ = 220993920. Its totient is φ = 190410880.
The previous prime is 205391999. The next prime is 205392017. The reversal of 205392001 is 100293502.
It is a cyclic number.
It is not a de Polignac number, because 205392001 - 21 = 205391999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (205390001) 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, 162510 + ... + 163768.
It is an arithmetic number, because the mean of its divisors is an integer number (13812120).
Almost surely, 2205392001 is an apocalyptic number.
It is an amenable number.
205392001 is a deficient number, since it is larger than the sum of its proper divisors (15601919).
205392001 is a wasteful number, since it uses less digits than its factorization.
205392001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1496.
The product of its (nonzero) digits is 540, while the sum is 22.
The square root of 205392001 is about 14331.5037940894. The cubic root of 205392001 is about 590.0124492250.
The spelling of 205392001 in words is "two hundred five million, three hundred ninety-two thousand, one".
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