Base | Representation |
---|---|
bin | 111101011001101… |
… | …001001000100100 |
3 | 2122210101010210200 |
4 | 331121221020210 |
5 | 4102203213020 |
6 | 250115150500 |
7 | 34345660023 |
oct | 7531511044 |
9 | 2583333720 |
10 | 1030132260 |
11 | 489534683 |
12 | 248ba5430 |
13 | 13555a421 |
14 | 9ab528ba |
15 | 60684590 |
hex | 3d669224 |
1030132260 has 36 divisors (see below), whose sum is σ = 3124735068. Its totient is φ = 274701888.
The previous prime is 1030132249. The next prime is 1030132261. The reversal of 1030132260 is 622310301.
It can be written as a sum of positive squares in 2 ways, for example, as 109495296 + 920636964 = 10464^2 + 30342^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×10301322602 = 2122344946185415200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (1030132261) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2861299 + ... + 2861658.
Almost surely, 21030132260 is an apocalyptic number.
1030132260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1030132260 is an abundant number, since it is smaller than the sum of its proper divisors (2094602808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030132260 is a wasteful number, since it uses less digits than its factorization.
1030132260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5722972 (or 5722967 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 1030132260 is about 32095.6735402141. The cubic root of 1030132260 is about 1009.9448586045.
Adding to 1030132260 its reverse (622310301), we get a palindrome (1652442561).
The spelling of 1030132260 in words is "one billion, thirty million, one hundred thirty-two thousand, two hundred sixty".
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