Base | Representation |
---|---|
bin | 111001101100… |
… | …1011000110001 |
3 | 2002220212221120 |
4 | 1303121120301 |
5 | 30221004140 |
6 | 3000212453 |
7 | 515061003 |
oct | 163313061 |
9 | 62825846 |
10 | 30250545 |
11 | 16091756 |
12 | a16a129 |
13 | 6362040 |
14 | 4036373 |
15 | 29c81d0 |
hex | 1cd9631 |
30250545 has 32 divisors (see below), whose sum is σ = 53125632. Its totient is φ = 14606592.
The previous prime is 30250541. The next prime is 30250573. The reversal of 30250545 is 54505203.
It is not a de Polignac number, because 30250545 - 22 = 30250541 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30250541) 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 31 ways as a sum of consecutive naturals, for example, 8872 + ... + 11798.
It is an arithmetic number, because the mean of its divisors is an integer number (1660176).
Almost surely, 230250545 is an apocalyptic number.
It is an amenable number.
30250545 is a deficient number, since it is larger than the sum of its proper divisors (22875087).
30250545 is a wasteful number, since it uses less digits than its factorization.
30250545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3001.
The product of its (nonzero) digits is 3000, while the sum is 24.
The square root of 30250545 is about 5500.0495452314. The cubic root of 30250545 is about 311.5858554279.
Adding to 30250545 its reverse (54505203), we get a palindrome (84755748).
The spelling of 30250545 in words is "thirty million, two hundred fifty thousand, five hundred forty-five".
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