Base | Representation |
---|---|
bin | 100111000011011… |
… | …1001010011011100 |
3 | 10101022210202121022 |
4 | 1032012321103130 |
5 | 10140432233203 |
6 | 334011023312 |
7 | 44321321606 |
oct | 11606712334 |
9 | 3338722538 |
10 | 1310430428 |
11 | 61278185a |
12 | 306a3ab38 |
13 | 17b64a728 |
14 | c6078176 |
15 | 7a0a0a38 |
hex | 4e1b94dc |
1310430428 has 24 divisors (see below), whose sum is σ = 2396929920. Its totient is φ = 625687920.
The previous prime is 1310430427. The next prime is 1310430439. The reversal of 1310430428 is 8240340131.
It is a junction number, because it is equal to n+sod(n) for n = 1310430397 and 1310430406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310430427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45443 + ... + 68453.
It is an arithmetic number, because the mean of its divisors is an integer number (99872080).
Almost surely, 21310430428 is an apocalyptic number.
It is an amenable number.
1310430428 is a deficient number, since it is larger than the sum of its proper divisors (1086499492).
1310430428 is a wasteful number, since it uses less digits than its factorization.
1310430428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23657 (or 23655 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 1310430428 is about 36199.8677898138. The cubic root of 1310430428 is about 1094.3040073015.
Adding to 1310430428 its reverse (8240340131), we get a palindrome (9550770559).
The spelling of 1310430428 in words is "one billion, three hundred ten million, four hundred thirty thousand, four hundred twenty-eight".
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