Base | Representation |
---|---|
bin | 111010000001… |
… | …1111111000110 |
3 | 2010020202021222 |
4 | 1310003333012 |
5 | 30242100110 |
6 | 3004040342 |
7 | 516415466 |
oct | 164037706 |
9 | 63222258 |
10 | 30425030 |
11 | 161a0859 |
12 | a2330b2 |
13 | 63c359c |
14 | 407dba6 |
15 | 2a0ec55 |
hex | 1d03fc6 |
30425030 has 16 divisors (see below), whose sum is σ = 55116720. Its totient is φ = 12091872.
The previous prime is 30424969. The next prime is 30425039. The reversal of 30425030 is 3052403.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30425039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8120 + ... + 11259.
It is an arithmetic number, because the mean of its divisors is an integer number (3444795).
Almost surely, 230425030 is an apocalyptic number.
30425030 is a deficient number, since it is larger than the sum of its proper divisors (24691690).
30425030 is a wasteful number, since it uses less digits than its factorization.
30425030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19543.
The product of its (nonzero) digits is 360, while the sum is 17.
The square root of 30425030 is about 5515.8888676260. Note that the first 4 decimals coincide. The cubic root of 30425030 is about 312.1837825288.
Adding to 30425030 its reverse (3052403), we get a palindrome (33477433).
The spelling of 30425030 in words is "thirty million, four hundred twenty-five thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •