Base | Representation |
---|---|
bin | 111010111111… |
… | …0000010001001 |
3 | 2011012011001001 |
4 | 1311332002021 |
5 | 30404044222 |
6 | 3022455001 |
7 | 523600111 |
oct | 165760211 |
9 | 64164031 |
10 | 30924937 |
11 | 165023aa |
12 | a434461 |
13 | 6539ca4 |
14 | 4170041 |
15 | 2aace27 |
hex | 1d7e089 |
30924937 has 2 divisors, whose sum is σ = 30924938. Its totient is φ = 30924936.
The previous prime is 30924931. The next prime is 30924983. The reversal of 30924937 is 73942903.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 19527561 + 11397376 = 4419^2 + 3376^2 .
It is a cyclic number.
It is not a de Polignac number, because 30924937 - 27 = 30924809 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30924896 and 30924905.
It is not a weakly prime, because it can be changed into another prime (30924931) 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 as a sum of consecutive naturals, namely, 15462468 + 15462469.
It is an arithmetic number, because the mean of its divisors is an integer number (15462469).
Almost surely, 230924937 is an apocalyptic number.
It is an amenable number.
30924937 is a deficient number, since it is larger than the sum of its proper divisors (1).
30924937 is an equidigital number, since it uses as much as digits as its factorization.
30924937 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 40824, while the sum is 37.
The square root of 30924937 is about 5561.0194209335. The cubic root of 30924937 is about 313.8843103633.
The spelling of 30924937 in words is "thirty million, nine hundred twenty-four thousand, nine hundred thirty-seven".
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