Base | Representation |
---|---|
bin | 111001011101… |
… | …0001110110010 |
3 | 2002200101220002 |
4 | 1302322032302 |
5 | 30202413210 |
6 | 2553350002 |
7 | 514016645 |
oct | 162721662 |
9 | 62611802 |
10 | 30122930 |
11 | 16004892 |
12 | a108302 |
13 | 6318c26 |
14 | 4001a5c |
15 | 29a04a5 |
hex | 1cba3b2 |
30122930 has 16 divisors (see below), whose sum is σ = 54290304. Its totient is φ = 12033840.
The previous prime is 30122927. The next prime is 30122951. The reversal of 30122930 is 3922103.
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, 9665 + ... + 12395.
It is an arithmetic number, because the mean of its divisors is an integer number (3393144).
Almost surely, 230122930 is an apocalyptic number.
30122930 is a deficient number, since it is larger than the sum of its proper divisors (24167374).
30122930 is a wasteful number, since it uses less digits than its factorization.
30122930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3841.
The product of its (nonzero) digits is 324, while the sum is 20.
The square root of 30122930 is about 5488.4360249528. The cubic root of 30122930 is about 311.1470856454.
The spelling of 30122930 in words is "thirty million, one hundred twenty-two thousand, nine hundred thirty".
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