Base | Representation |
---|---|
bin | 111010001000… |
… | …1001011001111 |
3 | 2010100111101220 |
4 | 1310101023033 |
5 | 30300312210 |
6 | 3005134423 |
7 | 520032135 |
oct | 164211317 |
9 | 63314356 |
10 | 30479055 |
11 | 16228402 |
12 | a25a413 |
13 | 6412059 |
14 | 4095755 |
15 | 2a20c70 |
hex | 1d112cf |
30479055 has 8 divisors (see below), whose sum is σ = 48766512. Its totient is φ = 16255488.
The previous prime is 30479047. The next prime is 30479101. The reversal of 30479055 is 55097403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30479055 - 23 = 30479047 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
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 7 ways as a sum of consecutive naturals, for example, 1015954 + ... + 1015983.
It is an arithmetic number, because the mean of its divisors is an integer number (6095814).
Almost surely, 230479055 is an apocalyptic number.
30479055 is a deficient number, since it is larger than the sum of its proper divisors (18287457).
30479055 is a wasteful number, since it uses less digits than its factorization.
30479055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2031945.
The product of its (nonzero) digits is 18900, while the sum is 33.
The square root of 30479055 is about 5520.7839117285. The cubic root of 30479055 is about 312.3684523658.
The spelling of 30479055 in words is "thirty million, four hundred seventy-nine thousand, fifty-five".
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