Base | Representation |
---|---|
bin | 111010011101… |
… | …0101100011000 |
3 | 2010200010200022 |
4 | 1310322230120 |
5 | 30321232422 |
6 | 3012530012 |
7 | 521341004 |
oct | 164725430 |
9 | 63603608 |
10 | 30649112 |
11 | 1633414a |
12 | a320908 |
13 | 6471590 |
14 | 40db704 |
15 | 2a56342 |
hex | 1d3ab18 |
30649112 has 16 divisors (see below), whose sum is σ = 61887840. Its totient is φ = 14145696.
The previous prime is 30649097. The next prime is 30649117. The reversal of 30649112 is 21194603.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30649117) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 147248 + ... + 147455.
It is an arithmetic number, because the mean of its divisors is an integer number (3867990).
Almost surely, 230649112 is an apocalyptic number.
It is an amenable number.
30649112 is an abundant number, since it is smaller than the sum of its proper divisors (31238728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30649112 is a wasteful number, since it uses less digits than its factorization.
30649112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294722 (or 294718 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 30649112 is about 5536.1640149114. The cubic root of 30649112 is about 312.9483254661.
The spelling of 30649112 in words is "thirty million, six hundred forty-nine thousand, one hundred twelve".
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