Base | Representation |
---|---|
bin | 111001100110… |
… | …1010110010000 |
3 | 2002211101022011 |
4 | 1303031112100 |
5 | 30212414412 |
6 | 2555152304 |
7 | 514464145 |
oct | 163152620 |
9 | 62741264 |
10 | 30201232 |
11 | 160586a6 |
12 | a145694 |
13 | 6345769 |
14 | 40223cc |
15 | 29b87a7 |
hex | 1ccd590 |
30201232 has 10 divisors (see below), whose sum is σ = 58514918. Its totient is φ = 15100608.
The previous prime is 30201229. The next prime is 30201233. The reversal of 30201232 is 23210203.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 29419776 + 781456 = 5424^2 + 884^2 .
It is a super-2 number, since 2×302012322 = 1824228828635648, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30201233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 943773 + ... + 943804.
Almost surely, 230201232 is an apocalyptic number.
It is an amenable number.
30201232 is a deficient number, since it is larger than the sum of its proper divisors (28313686).
30201232 is a wasteful number, since it uses less digits than its factorization.
30201232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1887585 (or 1887579 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 30201232 is about 5495.5647571473. The cubic root of 30201232 is about 311.4164525286.
Adding to 30201232 its reverse (23210203), we get a palindrome (53411435).
The spelling of 30201232 in words is "thirty million, two hundred one thousand, two hundred thirty-two".
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