Base | Representation |
---|---|
bin | 111001010100… |
… | …0101001011110 |
3 | 2002112202002200 |
4 | 1302220221132 |
5 | 30143112120 |
6 | 2552032330 |
7 | 513266661 |
oct | 162505136 |
9 | 62482080 |
10 | 30050910 |
11 | 15a6576a |
12 | a0926a6 |
13 | 62c2206 |
14 | 3dc36d8 |
15 | 2988e90 |
hex | 1ca8a5e |
30050910 has 48 divisors (see below), whose sum is σ = 78427440. Its totient is φ = 7983360.
The previous prime is 30050893. The next prime is 30050929. The reversal of 30050910 is 1905003.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 33670 + ... + 34550.
It is an arithmetic number, because the mean of its divisors is an integer number (1633905).
Almost surely, 230050910 is an apocalyptic number.
30050910 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30050910 is an abundant number, since it is smaller than the sum of its proper divisors (48376530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30050910 is a wasteful number, since it uses less digits than its factorization.
30050910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1273 (or 1270 counting only the distinct ones).
The product of its (nonzero) digits is 135, while the sum is 18.
The square root of 30050910 is about 5481.8710309528. The cubic root of 30050910 is about 310.8989170496.
Adding to 30050910 its reverse (1905003), we get a palindrome (31955913).
The spelling of 30050910 in words is "thirty million, fifty thousand, nine hundred ten".
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