Base | Representation |
---|---|
bin | 111010000100… |
… | …1110110011111 |
3 | 2010021222020210 |
4 | 1310021312133 |
5 | 30243332210 |
6 | 3004343503 |
7 | 516545520 |
oct | 164116637 |
9 | 63258223 |
10 | 30449055 |
11 | 1620790a |
12 | a244b93 |
13 | 64014c0 |
14 | 4088847 |
15 | 2a16e20 |
hex | 1d09d9f |
30449055 has 32 divisors (see below), whose sum is σ = 59963904. Its totient is φ = 12848256.
The previous prime is 30449053. The next prime is 30449063. The reversal of 30449055 is 55094403.
It is not a de Polignac number, because 30449055 - 21 = 30449053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30449053) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9789 + ... + 12518.
It is an arithmetic number, because the mean of its divisors is an integer number (1873872).
Almost surely, 230449055 is an apocalyptic number.
30449055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30449055 is a deficient number, since it is larger than the sum of its proper divisors (29514849).
30449055 is a wasteful number, since it uses less digits than its factorization.
30449055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22335.
The product of its (nonzero) digits is 10800, while the sum is 30.
The square root of 30449055 is about 5518.0662373698. The cubic root of 30449055 is about 312.2659324567.
The spelling of 30449055 in words is "thirty million, four hundred forty-nine thousand, fifty-five".
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