Base | Representation |
---|---|
bin | 111001101010… |
… | …1000011101100 |
3 | 2002212222121210 |
4 | 1303111003230 |
5 | 30214422222 |
6 | 2555554420 |
7 | 514655211 |
oct | 163250354 |
9 | 62788553 |
10 | 30232812 |
11 | 1607a3a5 |
12 | a15ba10 |
13 | 6356c4c |
14 | 402db08 |
15 | 29c2d0c |
hex | 1cd50ec |
30232812 has 48 divisors (see below), whose sum is σ = 73966592. Its totient is φ = 9599040.
The previous prime is 30232793. The next prime is 30232837. The reversal of 30232812 is 21823203.
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 15 ways as a sum of consecutive naturals, for example, 24318 + ... + 25530.
Almost surely, 230232812 is an apocalyptic number.
It is an amenable number.
30232812 is an abundant number, since it is smaller than the sum of its proper divisors (43733780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30232812 is a wasteful number, since it uses less digits than its factorization.
30232812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1318 (or 1316 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 30232812 is about 5498.4372325234. The cubic root of 30232812 is about 311.5249592028.
The spelling of 30232812 in words is "thirty million, two hundred thirty-two thousand, eight hundred twelve".
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