Base | Representation |
---|---|
bin | 111010001001… |
… | …1011111110100 |
3 | 2010100222110002 |
4 | 1310103133310 |
5 | 30301113224 |
6 | 3005250432 |
7 | 520101641 |
oct | 164233764 |
9 | 63328402 |
10 | 30488564 |
11 | 16234567 |
12 | a263a18 |
13 | 6416492 |
14 | 4098dc8 |
15 | 2a239ae |
hex | 1d137f4 |
30488564 has 6 divisors (see below), whose sum is σ = 53354994. Its totient is φ = 15244280.
The previous prime is 30488539. The next prime is 30488569. The reversal of 30488564 is 46588403.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 26112100 + 4376464 = 5110^2 + 2092^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30488569) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3811067 + ... + 3811074.
It is an arithmetic number, because the mean of its divisors is an integer number (8892499).
Almost surely, 230488564 is an apocalyptic number.
It is an amenable number.
30488564 is a deficient number, since it is larger than the sum of its proper divisors (22866430).
30488564 is a wasteful number, since it uses less digits than its factorization.
30488564 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7622145 (or 7622143 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 38.
The square root of 30488564 is about 5521.6450447308. The cubic root of 30488564 is about 312.4009337181.
The spelling of 30488564 in words is "thirty million, four hundred eighty-eight thousand, five hundred sixty-four".
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