Base | Representation |
---|---|
bin | 100110111000100… |
… | …0101100011010111 |
3 | 10100221001022100200 |
4 | 1031301011203113 |
5 | 10133001312211 |
6 | 333244311543 |
7 | 44221611150 |
oct | 11561054327 |
9 | 3327038320 |
10 | 1304713431 |
11 | 60a52756a |
12 | 304b425b3 |
13 | 17a3c84a8 |
14 | c53ca927 |
15 | 79821b56 |
hex | 4dc458d7 |
1304713431 has 24 divisors (see below), whose sum is σ = 2155938720. Its totient is φ = 744814656.
The previous prime is 1304713363. The next prime is 1304713457. The reversal of 1304713431 is 1343174031.
1304713431 is a `hidden beast` number, since 130 + 471 + 34 + 31 = 666.
It is not a de Polignac number, because 1304713431 - 27 = 1304713303 is a prime.
It is a super-2 number, since 2×13047134312 = 3404554274063583522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1304713395 and 1304713404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1304715431) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57661 + ... + 77033.
It is an arithmetic number, because the mean of its divisors is an integer number (89830780).
Almost surely, 21304713431 is an apocalyptic number.
1304713431 is a deficient number, since it is larger than the sum of its proper divisors (851225289).
1304713431 is a wasteful number, since it uses less digits than its factorization.
1304713431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20455 (or 20452 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 1304713431 is about 36120.8171419197. The cubic root of 1304713431 is about 1092.7103190608.
Adding to 1304713431 its reverse (1343174031), we get a palindrome (2647887462).
The spelling of 1304713431 in words is "one billion, three hundred four million, seven hundred thirteen thousand, four hundred thirty-one".
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