Base | Representation |
---|---|
bin | 11011101010010… |
… | …00000000001101 |
3 | 121011121100121220 |
4 | 31311020000031 |
5 | 433344431341 |
6 | 35005113553 |
7 | 5515136643 |
oct | 1565100015 |
9 | 534540556 |
10 | 232030221 |
11 | 109a7a815 |
12 | 658588b9 |
13 | 390c03b7 |
14 | 22b5d193 |
15 | 15584a66 |
hex | dd4800d |
232030221 has 8 divisors (see below), whose sum is σ = 310658304. Its totient is φ = 154044480.
The previous prime is 232030217. The next prime is 232030231. The reversal of 232030221 is 122030232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 232030221 - 22 = 232030217 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 232030221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232030231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159741 + ... + 161186.
It is an arithmetic number, because the mean of its divisors is an integer number (38832288).
Almost surely, 2232030221 is an apocalyptic number.
It is an amenable number.
232030221 is a deficient number, since it is larger than the sum of its proper divisors (78628083).
232030221 is a wasteful number, since it uses less digits than its factorization.
232030221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 321171.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 232030221 is about 15232.5382323499. The cubic root of 232030221 is about 614.4900445784.
Adding to 232030221 its reverse (122030232), we get a palindrome (354060453).
The spelling of 232030221 in words is "two hundred thirty-two million, thirty thousand, two hundred twenty-one".
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