Base | Representation |
---|---|
bin | 11000001110101… |
… | …10111001101001 |
3 | 112011110102222211 |
4 | 30013112321221 |
5 | 404013133101 |
6 | 32100245121 |
7 | 5015433226 |
oct | 1407267151 |
9 | 464412884 |
10 | 203255401 |
11 | a4806878 |
12 | 580a07a1 |
13 | 33156c8b |
14 | 1cdcc94d |
15 | 12c9dc51 |
hex | c1d6e69 |
203255401 has 4 divisors (see below), whose sum is σ = 207580032. Its totient is φ = 198930772.
The previous prime is 203255333. The next prime is 203255431. The reversal of 203255401 is 104552302.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104552302 = 2 ⋅52276151.
It is a cyclic number.
It is not a de Polignac number, because 203255401 - 29 = 203254889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (203255431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162245 + ... + 2162338.
It is an arithmetic number, because the mean of its divisors is an integer number (51895008).
Almost surely, 2203255401 is an apocalyptic number.
It is an amenable number.
203255401 is a deficient number, since it is larger than the sum of its proper divisors (4324631).
203255401 is an equidigital number, since it uses as much as digits as its factorization.
203255401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4324630.
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 203255401 is about 14256.7668494649. The cubic root of 203255401 is about 587.9594363629.
The spelling of 203255401 in words is "two hundred three million, two hundred fifty-five thousand, four hundred one".
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