Base | Representation |
---|---|
bin | 111010111100… |
… | …0011011110010 |
3 | 2011010222120121 |
4 | 1311320123302 |
5 | 30402331002 |
6 | 3022200454 |
7 | 523443205 |
oct | 165703362 |
9 | 64128517 |
10 | 30902002 |
11 | 1649714a |
12 | a42312a |
13 | 652c711 |
14 | 416593c |
15 | 2aa6237 |
hex | 1d786f2 |
30902002 has 16 divisors (see below), whose sum is σ = 46932480. Its totient is φ = 15259392.
The previous prime is 30901991. The next prime is 30902033. The reversal of 30902002 is 20020903.
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, 85899 + ... + 86257.
It is an arithmetic number, because the mean of its divisors is an integer number (2933280).
Almost surely, 230902002 is an apocalyptic number.
30902002 is a deficient number, since it is larger than the sum of its proper divisors (16030478).
30902002 is a wasteful number, since it uses less digits than its factorization.
30902002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 777.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 30902002 is about 5558.9569165447. The cubic root of 30902002 is about 313.8066953622.
Adding to 30902002 its reverse (20020903), we get a palindrome (50922905).
The spelling of 30902002 in words is "thirty million, nine hundred two thousand, two".
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