Base | Representation |
---|---|
bin | 11011011101100… |
… | …11100111011101 |
3 | 121001111012111221 |
4 | 31232303213131 |
5 | 432433430403 |
6 | 34505413341 |
7 | 5465100613 |
oct | 1556634735 |
9 | 531435457 |
10 | 230373853 |
11 | 109049316 |
12 | 6519a251 |
13 | 389604b8 |
14 | 2284b6b3 |
15 | 15358dbd |
hex | dbb39dd |
230373853 has 4 divisors (see below), whose sum is σ = 231034300. Its totient is φ = 229713408.
The previous prime is 230373823. The next prime is 230373863. The reversal of 230373853 is 358373032.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 188732644 + 41641209 = 13738^2 + 6453^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230373853 is a prime.
It is a super-2 number, since 2×2303738532 = 106144224292131218, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230373823) 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 3 ways as a sum of consecutive naturals, for example, 329700 + ... + 330397.
It is an arithmetic number, because the mean of its divisors is an integer number (57758575).
Almost surely, 2230373853 is an apocalyptic number.
It is an amenable number.
230373853 is a deficient number, since it is larger than the sum of its proper divisors (660447).
230373853 is an equidigital number, since it uses as much as digits as its factorization.
230373853 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 660446.
The product of its (nonzero) digits is 45360, while the sum is 34.
The square root of 230373853 is about 15178.0714519335. The cubic root of 230373853 is about 613.0243544209.
The spelling of 230373853 in words is "two hundred thirty million, three hundred seventy-three thousand, eight hundred fifty-three".
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