Base | Representation |
---|---|
bin | 111101011001010… |
… | …000101101011100 |
3 | 2122210012001120111 |
4 | 331121100231130 |
5 | 4102142012340 |
6 | 250113055404 |
7 | 34345062250 |
oct | 7531205534 |
9 | 2583161514 |
10 | 1030032220 |
11 | 4894764a8 |
12 | 248b57564 |
13 | 135523a29 |
14 | 9ab28260 |
15 | 60664aea |
hex | 3d650b5c |
1030032220 has 24 divisors (see below), whose sum is σ = 2472077664. Its totient is φ = 353153856.
The previous prime is 1030032209. The next prime is 1030032301. The reversal of 1030032220 is 222300301.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 1030032220.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3678547 + ... + 3678826.
It is an arithmetic number, because the mean of its divisors is an integer number (103003236).
Almost surely, 21030032220 is an apocalyptic number.
1030032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1030032220 is an abundant number, since it is smaller than the sum of its proper divisors (1442045444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030032220 is a wasteful number, since it uses less digits than its factorization.
1030032220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7357389 (or 7357387 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 1030032220 is about 32094.1150368724. The cubic root of 1030032220 is about 1009.9121643708.
Adding to 1030032220 its reverse (222300301), we get a palindrome (1252332521).
The spelling of 1030032220 in words is "one billion, thirty million, thirty-two thousand, two hundred twenty".
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