Base | Representation |
---|---|
bin | 111101011010001… |
… | …110111110000000 |
3 | 2122210200000101101 |
4 | 331122032332000 |
5 | 4102223142412 |
6 | 250122344144 |
7 | 34350203602 |
oct | 7532167600 |
9 | 2583600341 |
10 | 1030287232 |
11 | 489630057 |
12 | 24905b054 |
13 | 1355b2b20 |
14 | 9ab93172 |
15 | 606b5457 |
hex | 3d68ef80 |
1030287232 has 64 divisors (see below), whose sum is σ = 2281829760. Its totient is φ = 460154880.
The previous prime is 1030287197. The next prime is 1030287241. The reversal of 1030287232 is 2327820301.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×10302872322 = 2122983560844443648, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1030287232.
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, 41598 + ... + 61570.
It is an arithmetic number, because the mean of its divisors is an integer number (35653590).
Almost surely, 21030287232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1030287232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140914880).
1030287232 is an abundant number, since it is smaller than the sum of its proper divisors (1251542528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030287232 is a wasteful number, since it uses less digits than its factorization.
1030287232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20031 (or 20019 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 1030287232 is about 32098.0876688939. The cubic root of 1030287232 is about 1009.9955010746.
The spelling of 1030287232 in words is "one billion, thirty million, two hundred eighty-seven thousand, two hundred thirty-two".
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