Base | Representation |
---|---|
bin | 111010010100… |
… | …1011001111101 |
3 | 2010112112112200 |
4 | 1310221121331 |
5 | 30312001201 |
6 | 3011222113 |
7 | 520624365 |
oct | 164513175 |
9 | 63475480 |
10 | 30578301 |
11 | 16295a26 |
12 | a2a7939 |
13 | 6448290 |
14 | 40bd9a5 |
15 | 2a40386 |
hex | 1d2967d |
30578301 has 12 divisors (see below), whose sum is σ = 47566428. Its totient is φ = 18817344.
The previous prime is 30578287. The next prime is 30578309. The reversal of 30578301 is 10387503.
It can be written as a sum of positive squares in 2 ways, for example, as 8732025 + 21846276 = 2955^2 + 4674^2 .
It is not a de Polignac number, because 30578301 - 26 = 30578237 is a prime.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30578309) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130560 + ... + 130793.
It is an arithmetic number, because the mean of its divisors is an integer number (3963869).
Almost surely, 230578301 is an apocalyptic number.
It is an amenable number.
30578301 is a deficient number, since it is larger than the sum of its proper divisors (16988127).
30578301 is a wasteful number, since it uses less digits than its factorization.
30578301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 261372 (or 261369 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 30578301 is about 5529.7650040485. The cubic root of 30578301 is about 312.7071300938.
It can be divided in two parts, 305 and 78301, that added together give a triangular number (78606 = T396).
The spelling of 30578301 in words is "thirty million, five hundred seventy-eight thousand, three hundred one".
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