Base | Representation |
---|---|
bin | 111010011100… |
… | …1001101101100 |
3 | 2010122211100212 |
4 | 1310321031230 |
5 | 30321034202 |
6 | 3012441552 |
7 | 521314226 |
oct | 164711554 |
9 | 63584325 |
10 | 30643052 |
11 | 1632a640 |
12 | a3192b8 |
13 | 646b8ab |
14 | 40d9416 |
15 | 2a54652 |
hex | 1d3936c |
30643052 has 12 divisors (see below), whose sum is σ = 58500456. Its totient is φ = 13928640.
The previous prime is 30643037. The next prime is 30643057. The reversal of 30643052 is 25034603.
It is not an unprimeable number, because it can be changed into a prime (30643057) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348173 + ... + 348260.
It is an arithmetic number, because the mean of its divisors is an integer number (4875038).
Almost surely, 230643052 is an apocalyptic number.
It is an amenable number.
30643052 is a deficient number, since it is larger than the sum of its proper divisors (27857404).
30643052 is a wasteful number, since it uses less digits than its factorization.
30643052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 696448 (or 696446 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 23.
The square root of 30643052 is about 5535.6166774805. The cubic root of 30643052 is about 312.9276985296.
Adding to 30643052 its reverse (25034603), we get a palindrome (55677655).
It can be divided in two parts, 3064 and 3052, that added together give a palindrome (6116).
The spelling of 30643052 in words is "thirty million, six hundred forty-three thousand, fifty-two".
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