Base | Representation |
---|---|
bin | 11001011010110… |
… | …10001111011001 |
3 | 112212020020022220 |
4 | 30231122033121 |
5 | 414041334203 |
6 | 33054134253 |
7 | 5166300264 |
oct | 1455321731 |
9 | 485206286 |
10 | 213230553 |
11 | aa3aa2a8 |
12 | 5b4b1389 |
13 | 3523a433 |
14 | 20467cdb |
15 | 13abe653 |
hex | cb5a3d9 |
213230553 has 8 divisors (see below), whose sum is σ = 284661216. Its totient is φ = 141976800.
The previous prime is 213230527. The next prime is 213230579. The reversal of 213230553 is 355032312.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (213230527) and next prime (213230579).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 213230553 - 29 = 213230041 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (213230503) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41388 + ... + 46253.
It is an arithmetic number, because the mean of its divisors is an integer number (35582652).
Almost surely, 2213230553 is an apocalyptic number.
It is an amenable number.
213230553 is a deficient number, since it is larger than the sum of its proper divisors (71430663).
213230553 is an equidigital number, since it uses as much as digits as its factorization.
213230553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88455.
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 213230553 is about 14602.4159987312. The cubic root of 213230553 is about 597.4246590695.
Adding to 213230553 its reverse (355032312), we get a palindrome (568262865).
The spelling of 213230553 in words is "two hundred thirteen million, two hundred thirty thousand, five hundred fifty-three".
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