Base | Representation |
---|---|
bin | 111101011001010… |
… | …000010001101010 |
3 | 2122210011222010122 |
4 | 331121100101222 |
5 | 4102141433232 |
6 | 250113043242 |
7 | 34345054130 |
oct | 7531202152 |
9 | 2583158118 |
10 | 1030030442 |
11 | 489475131 |
12 | 248b56522 |
13 | 135522c8c |
14 | 9ab27750 |
15 | 60664312 |
hex | 3d65046a |
1030030442 has 16 divisors (see below), whose sum is σ = 1869635520. Its totient is φ = 415474368.
The previous prime is 1030030429. The next prime is 1030030447. The reversal of 1030030442 is 2440300301.
It is a super-2 number, since 2×10300304422 = 2121925422893430728, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 1030030442.
It is not an unprimeable number, because it can be changed into a prime (1030030447) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2163692 + ... + 2164167.
It is an arithmetic number, because the mean of its divisors is an integer number (116852220).
Almost surely, 21030030442 is an apocalyptic number.
1030030442 is a deficient number, since it is larger than the sum of its proper divisors (839605078).
1030030442 is a wasteful number, since it uses less digits than its factorization.
1030030442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4327885.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 1030030442 is about 32094.0873370781. The cubic root of 1030030442 is about 1009.9115832806.
Adding to 1030030442 its reverse (2440300301), we get a palindrome (3470330743).
The spelling of 1030030442 in words is "one billion, thirty million, thirty thousand, four hundred forty-two".
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