Base | Representation |
---|---|
bin | 111001101010… |
… | …1101111011100 |
3 | 2002220010110111 |
4 | 1303111233130 |
5 | 30220014422 |
6 | 3000015404 |
7 | 514666321 |
oct | 163255734 |
9 | 62803414 |
10 | 30235612 |
11 | 16081510 |
12 | a161564 |
13 | 63582c4 |
14 | 4030b48 |
15 | 29c3a77 |
hex | 1cd5bdc |
30235612 has 48 divisors (see below), whose sum is σ = 61891200. Its totient is φ = 12778560.
The previous prime is 30235609. The next prime is 30235613. The reversal of 30235612 is 21653203.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30235613) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49018 + ... + 49630.
It is an arithmetic number, because the mean of its divisors is an integer number (1289400).
Almost surely, 230235612 is an apocalyptic number.
It is an amenable number.
30235612 is an abundant number, since it is smaller than the sum of its proper divisors (31655588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30235612 is a wasteful number, since it uses less digits than its factorization.
30235612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 706 (or 704 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 30235612 is about 5498.6918444299. The cubic root of 30235612 is about 311.5345761598.
Adding to 30235612 its reverse (21653203), we get a palindrome (51888815).
The spelling of 30235612 in words is "thirty million, two hundred thirty-five thousand, six hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •