Base | Representation |
---|---|
bin | 111010001011… |
… | …0110001110100 |
3 | 2010101122212212 |
4 | 1310112301310 |
5 | 30302031004 |
6 | 3005432552 |
7 | 520156061 |
oct | 164266164 |
9 | 63348785 |
10 | 30502004 |
11 | 16243675 |
12 | a26b758 |
13 | 641c630 |
14 | 409dc68 |
15 | 2a2796e |
hex | 1d16c74 |
30502004 has 12 divisors (see below), whose sum is σ = 57484644. Its totient is φ = 14077824.
The previous prime is 30501983. The next prime is 30502009. The reversal of 30502004 is 40020503.
It can be written as a sum of positive squares in 2 ways, for example, as 2729104 + 27772900 = 1652^2 + 5270^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30502004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30502009) 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, 293237 + ... + 293340.
It is an arithmetic number, because the mean of its divisors is an integer number (4790387).
Almost surely, 230502004 is an apocalyptic number.
It is an amenable number.
30502004 is a deficient number, since it is larger than the sum of its proper divisors (26982640).
30502004 is a wasteful number, since it uses less digits than its factorization.
30502004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 586594 (or 586592 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 14.
The square root of 30502004 is about 5522.8619392485. The cubic root of 30502004 is about 312.4468312744.
Adding to 30502004 its reverse (40020503), we get a palindrome (70522507).
The spelling of 30502004 in words is "thirty million, five hundred two thousand, four".
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