Base | Representation |
---|---|
bin | 11011110010110… |
… | …00111110111001 |
3 | 121020201011101220 |
4 | 31321120332321 |
5 | 434141221340 |
6 | 35045102253 |
7 | 5530504533 |
oct | 1571307671 |
9 | 536634356 |
10 | 233148345 |
11 | 10a673891 |
12 | 660b7989 |
13 | 393c2301 |
14 | 22d70853 |
15 | 15705ed0 |
hex | de58fb9 |
233148345 has 16 divisors (see below), whose sum is σ = 382136832. Its totient is φ = 121312640.
The previous prime is 233148337. The next prime is 233148347. The reversal of 233148345 is 543841332.
It is not a de Polignac number, because 233148345 - 23 = 233148337 is a prime.
It is not an unprimeable number, because it can be changed into a prime (233148347) 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, 188937 + ... + 190166.
It is an arithmetic number, because the mean of its divisors is an integer number (23883552).
Almost surely, 2233148345 is an apocalyptic number.
It is an amenable number.
233148345 is a deficient number, since it is larger than the sum of its proper divisors (148988487).
233148345 is a wasteful number, since it uses less digits than its factorization.
233148345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379152.
The product of its digits is 34560, while the sum is 33.
The square root of 233148345 is about 15269.1959513263. The cubic root of 233148345 is about 615.4755130013.
Adding to 233148345 its reverse (543841332), we get a palindrome (776989677).
The spelling of 233148345 in words is "two hundred thirty-three million, one hundred forty-eight thousand, three hundred forty-five".
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