Base | Representation |
---|---|
bin | 11011011101100… |
… | …11001000111111 |
3 | 121001111002211201 |
4 | 31232303020333 |
5 | 432433400103 |
6 | 34505400331 |
7 | 5465062126 |
oct | 1556631077 |
9 | 531432751 |
10 | 230371903 |
11 | 109047903 |
12 | 651990a7 |
13 | 3895c648 |
14 | 2284aabd |
15 | 1535851d |
hex | dbb323f |
230371903 has 4 divisors (see below), whose sum is σ = 242496760. Its totient is φ = 218247048.
The previous prime is 230371901. The next prime is 230371919. The reversal of 230371903 is 309173032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230371903 - 21 = 230371901 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230371901) 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, 6062400 + ... + 6062437.
It is an arithmetic number, because the mean of its divisors is an integer number (60624190).
Almost surely, 2230371903 is an apocalyptic number.
230371903 is a deficient number, since it is larger than the sum of its proper divisors (12124857).
230371903 is a wasteful number, since it uses less digits than its factorization.
230371903 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12124856.
The product of its (nonzero) digits is 3402, while the sum is 28.
The square root of 230371903 is about 15178.0072143875. The cubic root of 230371903 is about 613.0226247674.
Subtracting 230371903 from its reverse (309173032), we obtain a square (78801129 = 88772).
The spelling of 230371903 in words is "two hundred thirty million, three hundred seventy-one thousand, nine hundred three".
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