Base | Representation |
---|---|
bin | 111001110110… |
… | …1011100010010 |
3 | 2010002001121222 |
4 | 1303231130102 |
5 | 30231121230 |
6 | 3002045042 |
7 | 515552333 |
oct | 163553422 |
9 | 63061558 |
10 | 30332690 |
11 | 16138443 |
12 | a1a9782 |
13 | 639054b |
14 | 405828a |
15 | 29e26e5 |
hex | 1ced712 |
30332690 has 8 divisors (see below), whose sum is σ = 54598860. Its totient is φ = 12133072.
The previous prime is 30332689. The next prime is 30332693. The reversal of 30332690 is 9623303.
It can be written as a sum of positive squares in 2 ways, for example, as 24393721 + 5938969 = 4939^2 + 2437^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×303326902 = 1840144165272200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30332693) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516625 + ... + 1516644.
Almost surely, 230332690 is an apocalyptic number.
30332690 is a deficient number, since it is larger than the sum of its proper divisors (24266170).
30332690 is a wasteful number, since it uses less digits than its factorization.
30332690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3033276.
The product of its (nonzero) digits is 2916, while the sum is 26.
The square root of 30332690 is about 5507.5121425195. The cubic root of 30332690 is about 311.8676364354.
Adding to 30332690 its reverse (9623303), we get a palindrome (39955993).
The spelling of 30332690 in words is "thirty million, three hundred thirty-two thousand, six hundred ninety".
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