Base | Representation |
---|---|
bin | 111010001001… |
… | …1111111110100 |
3 | 2010101002020221 |
4 | 1310103333310 |
5 | 30301144422 |
6 | 3005304124 |
7 | 520110625 |
oct | 164237764 |
9 | 63332227 |
10 | 30490612 |
11 | 16236059 |
12 | a265044 |
13 | 64173a9 |
14 | 4099a4c |
15 | 2a243c7 |
hex | 1d13ff4 |
30490612 has 24 divisors (see below), whose sum is σ = 54885600. Its totient is φ = 14812896.
The previous prime is 30490591. The next prime is 30490637. The reversal of 30490612 is 21609403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45939 + ... + 46597.
It is an arithmetic number, because the mean of its divisors is an integer number (2286900).
Almost surely, 230490612 is an apocalyptic number.
It is an amenable number.
30490612 is a deficient number, since it is larger than the sum of its proper divisors (24394988).
30490612 is a wasteful number, since it uses less digits than its factorization.
30490612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 975 (or 973 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 30490612 is about 5521.8304935954. The cubic root of 30490612 is about 312.4079285024.
The spelling of 30490612 in words is "thirty million, four hundred ninety thousand, six hundred twelve".
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