Base | Representation |
---|---|
bin | 111101011011001… |
… | …010010011000000 |
3 | 2122211010100201200 |
4 | 331123022103000 |
5 | 4102303431430 |
6 | 250131501200 |
7 | 34352235225 |
oct | 7533122300 |
9 | 2584110650 |
10 | 1030530240 |
11 | 489786693 |
12 | 249157800 |
13 | 13566960c |
14 | 9ac1794c |
15 | 60712460 |
hex | 3d6ca4c0 |
1030530240 has 84 divisors (see below), whose sum is σ = 3544604544. Its totient is φ = 274807296.
The previous prime is 1030530229. The next prime is 1030530271. The reversal of 1030530240 is 420350301.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176032 + ... + 181791.
Almost surely, 21030530240 is an apocalyptic number.
1030530240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1030530240 is an abundant number, since it is smaller than the sum of its proper divisors (2514074304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030530240 is a wasteful number, since it uses less digits than its factorization.
1030530240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 357846 (or 357833 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 1030530240 is about 32101.8728425617. The cubic root of 1030530240 is about 1010.0749021339.
Adding to 1030530240 its reverse (420350301), we get a palindrome (1450880541).
The spelling of 1030530240 in words is "one billion, thirty million, five hundred thirty thousand, two hundred forty".
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