Base | Representation |
---|---|
bin | 111001101100… |
… | …1011111100111 |
3 | 2002220220112210 |
4 | 1303121133213 |
5 | 30221012413 |
6 | 3000214503 |
7 | 515062200 |
oct | 163313747 |
9 | 62826483 |
10 | 30250983 |
11 | 16092014 |
12 | a16a433 |
13 | 63622b9 |
14 | 40365a7 |
15 | 29c83c3 |
hex | 1cd97e7 |
30250983 has 24 divisors (see below), whose sum is σ = 49393920. Its totient is φ = 16374960.
The previous prime is 30250967. The next prime is 30250999. The reversal of 30250983 is 38905203.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30250967) and next prime (30250999).
It is not a de Polignac number, because 30250983 - 24 = 30250967 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30250983.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30250943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2623 + ... + 8208.
It is an arithmetic number, because the mean of its divisors is an integer number (2058080).
Almost surely, 230250983 is an apocalyptic number.
30250983 is a deficient number, since it is larger than the sum of its proper divisors (19142937).
30250983 is a wasteful number, since it uses less digits than its factorization.
30250983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10867 (or 10860 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 30250983 is about 5500.0893629104. The cubic root of 30250983 is about 311.5873592459.
The spelling of 30250983 in words is "thirty million, two hundred fifty thousand, nine hundred eighty-three".
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