Base | Representation |
---|---|
bin | 111001011101… |
… | …0000000101110 |
3 | 2002200100122202 |
4 | 1302322000232 |
5 | 30202401110 |
6 | 2553341502 |
7 | 514014221 |
oct | 162720056 |
9 | 62610582 |
10 | 30122030 |
11 | 16004144 |
12 | a107892 |
13 | 63186b3 |
14 | 40015b8 |
15 | 29a00a5 |
hex | 1cba02e |
30122030 has 16 divisors (see below), whose sum is σ = 57073680. Its totient is φ = 11414592.
The previous prime is 30122023. The next prime is 30122051. The reversal of 30122030 is 3022103.
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, 79079 + ... + 79458.
It is an arithmetic number, because the mean of its divisors is an integer number (3567105).
Almost surely, 230122030 is an apocalyptic number.
30122030 is a deficient number, since it is larger than the sum of its proper divisors (26951650).
30122030 is a wasteful number, since it uses less digits than its factorization.
30122030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158563.
The product of its (nonzero) digits is 36, while the sum is 11.
The square root of 30122030 is about 5488.3540337701. The cubic root of 30122030 is about 311.1439868414.
Adding to 30122030 its reverse (3022103), we get a palindrome (33144133).
The spelling of 30122030 in words is "thirty million, one hundred twenty-two thousand, thirty".
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