Base | Representation |
---|---|
bin | 11011110011100… |
… | …00100111010100 |
3 | 121020220002011220 |
4 | 31321300213110 |
5 | 434202321030 |
6 | 35051130340 |
7 | 5531356662 |
oct | 1571604724 |
9 | 536802156 |
10 | 233245140 |
11 | 10a72a587 |
12 | 661439b0 |
13 | 3942739b |
14 | 22d97c32 |
15 | 15724a10 |
hex | de709d4 |
233245140 has 48 divisors (see below), whose sum is σ = 687462720. Its totient is φ = 58924800.
The previous prime is 233245123. The next prime is 233245163. The reversal of 233245140 is 41542332.
It is a self number, because there is not a number n which added to its sum of digits gives 233245140.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101161 + ... + 103440.
It is an arithmetic number, because the mean of its divisors is an integer number (14322140).
Almost surely, 2233245140 is an apocalyptic number.
233245140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
233245140 is an abundant number, since it is smaller than the sum of its proper divisors (454217580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
233245140 is a wasteful number, since it uses less digits than its factorization.
233245140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204632 (or 204630 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 233245140 is about 15272.3652392156. The cubic root of 233245140 is about 615.5606758185.
Adding to 233245140 its reverse (41542332), we get a palindrome (274787472).
The spelling of 233245140 in words is "two hundred thirty-three million, two hundred forty-five thousand, one hundred forty".
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