Base | Representation |
---|---|
bin | 11011011100101… |
… | …11001101011111 |
3 | 121001021021220200 |
4 | 31232113031133 |
5 | 432421220003 |
6 | 34503114543 |
7 | 5464104450 |
oct | 1556271537 |
9 | 531237820 |
10 | 230257503 |
11 | 108a79963 |
12 | 65142a53 |
13 | 3891c558 |
14 | 2281b127 |
15 | 153346a3 |
hex | db9735f |
230257503 has 24 divisors (see below), whose sum is σ = 402468768. Its totient is φ = 123835392.
The previous prime is 230257499. The next prime is 230257519. The reversal of 230257503 is 305752032.
It is not a de Polignac number, because 230257503 - 22 = 230257499 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230257543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106426 + ... + 108567.
It is an arithmetic number, because the mean of its divisors is an integer number (16769532).
Almost surely, 2230257503 is an apocalyptic number.
230257503 is a deficient number, since it is larger than the sum of its proper divisors (172211265).
230257503 is a wasteful number, since it uses less digits than its factorization.
230257503 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215023 (or 215020 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 27.
The square root of 230257503 is about 15174.2381357352. The cubic root of 230257503 is about 612.9211346708.
The spelling of 230257503 in words is "two hundred thirty million, two hundred fifty-seven thousand, five hundred three".
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