Base | Representation |
---|---|
bin | 111010100100… |
… | …0100111110100 |
3 | 2010210000221100 |
4 | 1311020213310 |
5 | 30330044124 |
6 | 3014050100 |
7 | 521666226 |
oct | 165104764 |
9 | 63700840 |
10 | 30706164 |
11 | 16372aa5 |
12 | a349930 |
13 | 6491538 |
14 | 4114416 |
15 | 2a681c9 |
hex | 1d489f4 |
30706164 has 36 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 10206480.
The previous prime is 30706153. The next prime is 30706183. The reversal of 30706164 is 46160703.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14527 + ... + 16505.
It is an arithmetic number, because the mean of its divisors is an integer number (2162160).
Almost surely, 230706164 is an apocalyptic number.
It is an amenable number.
30706164 is an abundant number, since it is smaller than the sum of its proper divisors (47131596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30706164 is a wasteful number, since it uses less digits than its factorization.
30706164 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2420 (or 2415 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 30706164 is about 5541.3142845358. The cubic root of 30706164 is about 313.1423850412.
Adding to 30706164 its reverse (46160703), we get a palindrome (76866867).
The spelling of 30706164 in words is "thirty million, seven hundred six thousand, one hundred sixty-four".
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