Base | Representation |
---|---|
bin | 111101011110100… |
… | …101100010100100 |
3 | 2122212210222120200 |
4 | 331132211202210 |
5 | 4103021201020 |
6 | 250203030500 |
7 | 34362665322 |
oct | 7536454244 |
9 | 2585728520 |
10 | 1031428260 |
11 | 48a23a355 |
12 | 24950b430 |
13 | 1358c22a5 |
14 | 9adacd12 |
15 | 6083d590 |
hex | 3d7a58a4 |
1031428260 has 72 divisors (see below), whose sum is σ = 3179989176. Its totient is φ = 270535680.
The previous prime is 1031428259. The next prime is 1031428291. The reversal of 1031428260 is 628241301.
1031428260 is a `hidden beast` number, since 10 + 314 + 282 + 60 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 81432576 + 949995684 = 9024^2 + 30822^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35989 + ... + 57948.
Almost surely, 21031428260 is an apocalyptic number.
1031428260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1031428260 is an abundant number, since it is smaller than the sum of its proper divisors (2148560916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031428260 is a wasteful number, since it uses less digits than its factorization.
1031428260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94013 (or 94008 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 1031428260 is about 32115.8568311667. The cubic root of 1031428260 is about 1010.3682152518.
Adding to 1031428260 its reverse (628241301), we get a palindrome (1659669561).
The spelling of 1031428260 in words is "one billion, thirty-one million, four hundred twenty-eight thousand, two hundred sixty".
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